Question about Celestron 93593 for Nextstar 8i Tripod

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Inoperative NextStar New batteries installed but the hand control does not light up or function when the On/Off switch is closed. Please assist. Whiz

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Has the scope been unused for a while? Perhaps the old batteries have leaked or moisture has caused the battery contacts to be tarnished. Try cleaning the battery contacts with a little alcohol and rub with a rough cloth & try again. Can this model use an external power supply? I know with my Meade scope it worked much better with a larger capacity external battery. Also check the cable for any signs of damage or stretching.

Posted on Jul 26, 2007

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Posted on Jan 02, 2017

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2 Answers

What is the fuse number for the dashboard lights on a 2007 Ford Focus 3 door hatchback?


Principles of Operation
The instrument cluster and panel illumination consists of dimmable and non-dimmable illumination components. The dimmable illumination is controlled by the instrument panel dimmer switch, which allows the brightness level of the backlights to be adjusted to the customer preferences. With the parking lamps ON, the instrument panel dimmer switch uses electronic circuitry to provide a variable pulse width modulated (PWM) output to the instrument panel and all applicable switches depending on the driver-controlled level of intensity. The headlamp switch backlighting consists of 2 constantly illuminated LED bulbs that are powered by separate circuits. Battery voltage is supplied to the first bulb when the ignition switch is in the RUN position. Battery voltage is supplied to the second bulb with the parking lamps ON. The non-dimmable illumination allows for full intensity dependant on the ignition switch position.

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Instrument panel dimmer switch
  • Circuitry
  • Connector(s)
  • Headlamp switch
  • Instrument panel dimmer switch
  • Illumination source(s)

  1. If an obvious cause for an observed or reported concern is found, correct he cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom and GO to Symptom Chart .

Symptom Chart
Symptom Chart Condition Possible Sources Action
  • The control illumination is inoperative
  • Headlamp switch
  • Circuitry
  • Go To Pinpoint Test A .
  • The instrument cluster illumination is inoperative
  • Circuitry
  • Instrument cluster
  • Go To Pinpoint Test B .
  • The climate control panel illumination is inoperative
  • Circuitry
  • Climate control panel
  • Go To Pinpoint Test C .
  • The audio unit illumination is inoperative
  • Circuitry
  • Audio unit
  • Go To Pinpoint Test D .
  • The transmission control lever illumination is inoperative
  • Circuitry
  • Transmission control lever illumination bulb
  • Go To Pinpoint Test E .
  • The hazard warning switch illumination is inoperative
  • Circuitry
  • Hazard warning switch
  • Go To Pinpoint Test F .
  • The traction control switch illumination is inoperative
  • Circuitry
  • Traction control switch
  • Go To Pinpoint Test G .
  • The window control switch illumination is inoperative
  • Circuitry
  • Window control switch
  • VERIFY the operation of the window control switch in question. If the window control switch is inoperative, REFER to Section 501-11 . If the window control switch operates correctly, INSTALL the new window control switch in question. REFER to Section 501-11 .
  • The instrument panel illumination does not dim
  • Headlamp switch
  • Circuitry
  • Go To Pinpoint Test H .

Pinpoint Test B: The Instrument Cluster Illumination Is Inoperative
Normal Operation A variable pulse width modulated (PWM) voltage is supplied to the instrument cluster through circuit 29S-LA31 (OG/BU). The instrument cluster is grounded through circuit 91-GG14 (BK/OG).
    Possible Causes
  • circuit 29S-LA31 (OG/BU) open
  • circuit 91-GG14 (BK/OG) open
  • instrument cluster
PINPOINT TEST B: THE INSTRUMENT CLUSTER ILLUMINATION IS INOPERATIVE CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.

Sep 24, 2017 | Ford Cars & Trucks

2 Answers

Interior lights


This is both a courtesy and safety issue on many high end vehicles. The light from the interior lights can cast enough light to get to front door and possibly show dangers in your path. And after first getting into you car and starting it, you can check the back seat for any unwanted hitchhikers. As for the 10 minute timer, I don't know if this can be adjusted. A Chiltons/Haynes repair manual for you car may have that answer, or, the Buick dealership shop foreman. Best of luck.

May 31, 2015 | 1998 Buick Park Avenue

1 Answer

How do I replace dash light bulbs on a 2007 Ford Escape?


What lights are not working ? The instrument cluster illumination is inoperative or all the lights ,radio , heater control head, all the switches that would be back lighted.
  • The climate control panel illumination is inoperative , The passenger door lock control switch illumination is inoperative. Could need new dimmer switch , new instrument cluster. When installing a new instrument cluster, it is necessary to upload the module configuration to the scan tool. Following installation of the new instrument cluster, download the module configuration from the scan tool into the new instrument cluster. Refer to Section 418-01 .
  • Dec 09, 2014 | 2007 Ford Escape

    1 Answer

    IBM Personal Wheelwriter 2 inoperative


    sounds like a keyboard problem. You can try my fix under WW1000 or contaqct Geo Beyers Co. fpr KB rebuild


    DickyO

    Jul 16, 2012 | IBM Lexmark Personal Wheelwriter 2...

    1 Answer

    The interior lights on my father-in law's 2000 Safari are all inop (6 spots plus two dome lights) I can't find a fuse in the engine box for them. Is there another fuse box. The van has a dome overr


    Does the van have remote keyless entry (RKE) system ?
    Interior Lighting System Description
    Vehicles with the optional remote keyless entry (RKE) system have interior lighting controlled by the body control module (BCM).
    This vehicle uses a delayed interior lighting system.
    The system functions as follows:
    • The dome lamps will illuminate when any door is opened.
    • The dome lamps will remain on for 20 seconds after the last door is closed.
    • The delay is canceled and the dome lamps will go out when the ignition switch is turned to the ON position.
    • The illuminated entry function will not operate when the dome lamp defeat switch is in the OFF position.
    • The interior lighting system is protected from battery rundown by the retained accessory power (RAP) system. The RAP system functions by shutting down interior lights after 10 minutes (when ignition is OFF).

    Interior Lights Circuit Description
    When the interior lamps circuits are closed/enabled, the courtesy lamp relay is activated by the two following coil circuits:
    • CKT 690 (GRY/BLK) which is the courtesy lamp enable output of the body control module (BCM) driving the coil side of the relay.
    • CKT 1732 (ORN) which is the coil output side of the relay going to the potential grounding switches/sources.
    When the courtesy lamp relay is enabled, CKT 156 (WHT) (courtesy lamp output) is enabled by the closed contact at the relay and then grounded by CKT 750 (BLK) at G110.
    Some of these circuits can also be activated with the headlamp and panel dimmer switch. When this happens, the coil output side of the inadvertent power relay is grounded to the body control module (BCM) via CKT 1393 (DK BLU)
    CKT 40 (ORN) from the courtesy fuse drives both input sides of the inadvertent power relay. When the contact is pulled closed, CKT 1732 (ORN) is supplied power, thus driving any lamps/circuits attached that circuit and providing ground.
    The body control module (BCM) also monitors the following four door inputs:
    • CKT 49 (DK BLU) -- LH door jamb switch input
    • CKT 54 (ORN) -- RH door jamb switch input
    • CKT 775 (PNK) -- Side door jamb switch input
    • CKT 656 (YEL) -- Rear door jamb switch input/liftgate strut switch input (depending on option content)
    When the doors are closed, the body control module (BCM) is in a floating state of 0-2 volts. When the doors are opened, the courtesy lamp relay is activated, sending power to the courtesy lamps.
    The headlamp and panel dimmer switch also activates the following interior courtesy lamps when the switch is placed in the PARK or HEADLAMP ON positions:
    • RF power window switch
    • RH power door lock switch
    • LH power window switch
    • LH power door lock switch
    • LH outside rearview mirror control switch
    • Rear radio control head
    The dome lamps can be disabled by closing the dome lamp defeat switch located on the headlamp and panel dimmer switch.

    --------------------------------------------------------------------------------
    Courtesy or Dome Lamps Inoperative
    Step
    Action
    Value(s)
    Yes
    No
    Important: Verify functional bulbs before beginning diagnostic procedure.
    1
    Did you perform the Lighting Diagnostic System Check?
    --
    YES - Go to Step 2
    NO - Go to Diagnostic System Check - Lighting Systems
    2
    Are all of the courtesy/dome lamps inoperative?
    --
    YES - Go to Step 6
    NO - Go to Step 3
    3
    Activate courtesy/dome lamps
    With DMM, check for battery voltage from inoperative lamp CKT 1732 (ORN) to ground
    Is battery voltage present?
    B+
    YES - Go to Step 4
    NO - Go to Step 5
    4
    Repair open in CKT 156 (WHT) between inoperative lamp assemply and S214.
    Is the repair complete?
    --
    NO - Go to Step 10
    --
    5
    Repair open in CKT 1732 (ORN) between inoperative lamp assemply and one of the following splices:
    • S258
    • S301
    Is the repair complete?
    --
    Go to Step 10
    --
    6
    Turn the courtesy lamp switch to the ON position
    Check for battery voltage at BCM C2 cavity B12.
    Is battery voltage present?
    B+
    Go to Step 7
    Go to Diagnostic System Check - Body Control System in Body Control Systems
    7
    Verify continuity of the following three circuits with DMM:
    • CKT 1732 (ORN) between courtesy lamp relay and body control module
    • CKT 156 (WHT) between courtesy lamp relay and S214
    • CKT 750 (BLK) between courtesy lamp relay and S206
    Are all of the circuits functional?
    --
    Go to Step 8
    Go to Step 9
    8
    Replace courtesy lamp relay.
    Is repair complete?
    --
    Go to Step 10
    --
    9
    Repair the inoperative circuit.
    Is the repair complete?
    --
    Go to Step 10
    --
    10
    Operate the system in order to verify the repair.
    Did you correct the condition?
    --
    System OK
    Go to Step 2

    Mar 01, 2018 | 2000 GMC Safari

    1 Answer

    Celestron NextStar 80 GTL hand held problem, tried to


    You obviously burned out something inside. Many of these scopes require a proprietary style 12 volt plug with the correct polarity ---

    My only suggestion would be to contact celestron and send it in for repair.

    http://www.astronomics.com/main/Warranties.asp/catalog_name/Astronomics/category_name/AK9TFU21GCR78LKGXH66AS3XN7/Page/1


    Jul 05, 2009 | Celestron Optics

    1 Answer

    No break lights, need location of fuse for the break lights 2000 ford windstar


    please rate if this helps.

    Exterior Lighting The exterior lighting outputs are zone controlled by the front electronic module (FEM) and rear electronic module (REM) in respect to the front exterior lights being controlled by the FEM and the rear exterior lights being controlled by the REM. An additional function of the lighting system is a lamp outage function which provides the indication to the driver if certain exterior bulbs are not functioning. With a bulb inoperative, the FEM or REM will send a message to the instrument cluster and message center (if equipped) which will in turn indicate to the driver the lamp is inoperative with a lamp out indicator (with the message center a message will be displayed). To provide complete input and output functionality, each exterior lamp feature will be described individually. All exterior lighting is powered by the switched system power (SSP) feature (refer to Switched System Power[SSP]). A failure of all or any of the SSP features will cause inoperative exterior lighting. When diagnosing exterior lighting, it is essential to determine if all related symptoms and DTCs are controlled by the SSP feature.
    Stoplamps Brake lighting is controlled by the REM. The brake pedal position (BPP) switch is hardwired to the REM. When the brake pedal is depressed, the BPP switch will input information to the REM. Then, the REM will process the information and output to the left, right, and high mounted stoplamps. Only the left and right stoplamps will provide lamp outage indication.
    The vehicle's electronic functions are divided into zones. The FEM controls the front portion of the vehicle and the REM controls the rear portion of the vehicle. These systems rely heavily on the SCP communication network in order to transmit and receive signals. As a technician it is very important to understand:
    • where the input (command) originates from
    • All information (messages) necessary in order for a feature to operate
    • which module(s) receive(s) the input or command message
    • does the module which received the input (message), control the output of the feature, or does it output a message over the SCP communication network to another module
    • which module controls the output of the feature
    Switched System Power (SSP)
    The SSP is invoked by both the FEM and REM. This function removes power from relays that provide power to the exterior lamps, interior lamps, and power door locks. This is only accomplished when both the FEM and the REM are in sleep mode. The sleep function of the FEM and REM places the modules in sleep mode when the ignition switch is in the OFF position, and no wake up (inputs) signals occur for 30 minutes. The module will not sleep if the parking lamps or the hazard lamps are active. The following relays are controlled by the SSP function: SSP1, SSP2, SSP3, and SSP4. When either the FEM or REM are not in sleep mode, all SSP relays will be energized. When energized, each relay will supply power to multiple features/functions. For additional information, go to the SSP Index for diagnosis and testing of SSP related issues. Refer to Headlamps .
    Inspection and Verification
    1. Verify the customer concern by operating the stoplamps.
    1. Visually inspect for obvious signs of mechanical and electrical damage.


    Visual Inspection Chart Mechanical Electrical
    • Damaged REM
    • Blown central junction box (CJB) Fuses:
      • 13 (15A)
      • 7 (15A)
      • 12 (20A)
      • 11 (10A)
    • Damaged wiring harness
    • Loose or corroded connections
    • Damaged BPP switch

    Apr 24, 2009 | 2000 Ford Windstar

    1 Answer

    Saturn Turn Signal / Dome Light Issues


    The interior lamps system consists of 2 main features. Illuminated entry and a battery saver feature that will turn the interior lights off after 20 minutes if they are left On with all doors closed and the ignition Off. The body control module (BCM) controls both of these functions. Battery power is supplied by the BCM through CKT 1732 to the following lamps:
    • The dome lamp
    • The map lamps
    • The rear reading lamps
    • The rear dome lamp
    • The cargo lamp
    • The glove compartment lamp
    • The courtesy lamps
    • The sunshade lamps
    The BCM also controls the ground circuit side of the dome lamp and reading lamps for illuminated entry. The dome lamp and reading lamp will remain on for 20 seconds after the ignition key is removed and the last door is closed. In addition, if the vehicle is equipped with remote keyless entry (RKE), the dome and reading lamps will turn On and stay on for 20 seconds after an UNLOCK signal is received from the keyless entry transmitter.
    The reading lamps, dome lamp and map lamps can be turned On at any time by moving the appropriate switch to the On position.
    The rear dome lamp is fed battery voltage through CKT 1732 from the BCM, through the liftgate ajar switch, and is grounded through CKT 650 to the rear ground splice pack. The rear dome lamp will turn on when the liftgate is opened. The cargo lamp is fed battery voltage through CKT 1732 from the BCM, through CKT 744 and grounded through the decklid ajar switch.
    The courtesy lamps are fed battery power through CKT 1732 and are grounded through CKT 745-- left front, CKT 747--left rear, CKT 748--right rear, CKT 746--right front. These circuits will ground through the door jamb switches. The courtesy lamp will be illuminated when the affected door is opened. For example, when the right rear door is opened, the right rear door courtesy lamp will turn on.

    Not a fuse problem , if the BCM had blown fuse other thing's wouldn't be working as well . . Probably wiring or BCM . Using factory diagnostic,s instead of guessing as to what the problem is , is the proper way .

    Interior Lamps Diagnosis
    Symptom
    Procedure
    Important: Before proceeding with these diagnostics, check for DTCs. If DTCs are present, complete the associated diagnostics. If the condition still exists, return to this chart.
    All of the interior lamps are inoperative when any door is opened.
    Chart 1
    The dome lamp is inoperative in the ON position, but OK in the door position. The map lamps operate normally.
    The dome lamp switch is faulty. Replace the dome lamp switch.
    The dome lamp is inoperative in the DOOR position, but is OK in the ON position.
    Chart 2
    The dome lamp is inoperative in any position and both reading lamps are inoperative.
    Disconnect the dome lamp connector (BLK 3-way).
    Check for voltage at terminal "C" CKT 1732 ORN wire.
    If OK, the dome/map lamp is faulty. If no voltage is present, there is an OPEN in CKT 1732.
    Either the right or the left sunshade mirror lamp is inoperative.
    Chart 3
    Either the right or the left rear reading lamp is inoperative in the ON or the DOOR position.
    Chart 4
    The rear reading lamp is inoperative in the ON or the DOOR position.
    Chart 5
    Battery rundown protection is shorted to ground - B1482.
    B1482
    The left rear reading lamp is inoperative in the ON or the DOOR position.
    Chart 6

    Dec 12, 2017 | 1998 Saturn SL

    1 Answer

    How do I install headlight switch on 95 mercury tracer?


    • Headlamps Inoperative
    • Fuse.
    • Headlamp switch.
    • Headlamp relay.
    • Circuit.
    • Bulbs.

    Section 11-05: Steering Column Switches 1996 Escort, Tracer Workshop Manual
    REMOVAL AND INSTALLATION Multi-Function Switch
    Removal
    1. stf~us~en~file=ani_caut.gif~gen~ref.gif WARNING: THE ELECTRICAL CIRCUIT NECESSARY FOR AIR BAG DEPLOYMENT IS POWERED DIRECTLY FROM THE BATTERY. TO AVOID ACCIDENTAL DEPLOYMENT AND POSSIBLE PERSONAL INJURY, THE BATTERY GROUND CABLE MUST BE DISCONNECTED PRIOR TO SERVICING OR REPLACING ANY AIR BAG SYSTEM COMPONENTS.
      Disconnect the battery ground cable (14301) and wait one minute for the backup power supply to be depleted.
    1. Remove the steering wheel (3600). Refer to Section 11-04 for the removal procedure.
    1. Remove the four screws from the lower steering column shroud (3530).




    1. Remove the ignition switch lock cylinder illumination lamp socket from the lower steering column shroud.
    1. Remove the lower steering column shroud.
    1. Remove the upper steering column shroud.
    1. Disconnect the three multi-function switch electrical connectors.
    1. Remove the multi-function switch screws.
    1. Remove the multi-function switch electrical connectors and the multi-function switch (13K359).

    Jan 16, 2009 | 1995 Mercury Tracer

    1 Answer

    Razr Inop


    you need to take the phone back and have it replaced for a new one.

    Mar 19, 2008 | Motorola Mobility RAZR V3

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