Question about 2005 Honda Silverwing 400

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I have an '08 Lance GS-R. Because I live in CA, it was shipped with the Front Lights Switch present but disconnected. This causes the headlamps to be on constantly when the key is in the ON position [but not started]. The headlamps (halogen) put such a large drain on the battery, I have mere seconds to fire up before the battery is so low not even a kickstart will get it going. I'm not wanting to wire up the switch to break the law, which states "Every motorcycle ... shall be equipped with ... headlamps which automatically turn on when the engine ... is [started] and which remain lighted as long as the engine is [running]." That is not a problem. I only want the ability to turn off the lights [until] I can get it started.

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You can always wire in a seperate switch,relay and fuse for the headlamp -- this will allow you to switch on and off the light when you choose. but I will have to say that a brand new battery and a check to see if your DC generator is putting out the correct voltage to charge the battery might be something to look into before installing the switch idea. --- the battery should be good enough when fully charged to start the bike everytime. ( check the battery ).


Posted on Dec 31, 2010


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Hi my name is Larry I have a 1998 Pontiac sunfire & my problem that I have is I have low beam. But no high beam.

It's probably the switch , but testing to know for sure is alwasy a good idea .

Headlamps Inoperative - High Beams
Did you perform the Daytime Running Lamps (DRL) System Check?
YES - Go to Step 2
NO - Go to Daytime Running Lights (DRL) System Check
Disconnect the turn/hazard headlamp switch connector C1.
Connect a fused jumper between terminal B of the turn/hazard headlamp switch assembly harness connector C1 and ground.
Do the high beam headlamps operate?
YES - Go to Step 3
NO - Go to Step 4
Replace the turn/hazard headlamp switch assembly.
Did you complete the repair?
Go to Daytime Running Lights (DRL) System Check
Repair the open in CKT 1200 between the turn/hazard headlamp switch assembly. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?

Daytime Running Lights (DRL) System Check
Normal Result(s)
Abnormal Result(s)*
Turn the headlamp switch to the HEAD position.
Turn the headlamp dimmer switch to the LOW position.
The low beam headlamps are ON.
The high beam headlamps are OFF.
Headlamps Inoperative - Low Beams
Turn the headlamp switch to the HIGH position.
The high beam headlamps are ON.
The high beam indicator is ON.
The low beam headlamps are OFF.
Headlamps Inoperative - High Beams
Turn the headlamp switch OFF.
Turn the ignition to ON.
Disengage the parking brake.
The high beam headlamps come ON at a reduced intensity in approximately 30 seconds.
Daytime Running Lamps (DRL) Inoperative, Headlamp Switch Operates Normally
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.

Jan 13, 2017 | 1998 Pontiac Sunfire

1 Answer

2000. Where is fuse for tail lights?

Do your headlamps work ?
Park/Marker/License/Tail Lamps
Voltage is applied to the turn/headlamp switch at all times. When the turn/headlamp switch is in the PARK or the HEAD position, voltage is applied to the following components:
The park lamps

The marker lamps

The tail lamps

The license lamp

The front marker lamps are grounded through the turn filament of the respective front park/turn lamp. The front marker lamps light as a result.
The automatic lamp control function turns on the park lamps and the headlamps. This action occurs when the ambient light sensor determines that the exterior lamps should be turned ON based on the amount of available light. When the BCM grounds the park lamp relay, voltage is supplied directly to the park lamps, bypassing the turn/headlamp switch assembly. When this action occurs, the following conditions exist:
The automatic lamp control relay is grounded.

The headlamps turn ON. Refer to Headlights/Daytime Running Lights (DRL) Circuit Description .

The lamps turn OFF when the BCM does not ground the park lamp relay or the automatic lamp control relay. This action is caused by the following conditions:
The available light reaches a predetermined level.

The ignition switch is turned to the OFF position

Mar 31, 2016 | Pontiac Grand Am Cars & Trucks

1 Answer

Auto lights won't turn off on a 2011 Chevy Traverse even after 10 minutes

Well Jeni there are a few thing's that could be wrong , the headlamp switch , the BCM -body control module -a electronic control module . There are relays involved also ,but don't think there at fault . To be sure you need to do some electrical test to know for sure ! I suggest you take it to a ASE certified repair shop that has the knowledge , tools an service info - wiring diagrams etc.. ! Oh and a scan tool that can extract DTC'S from the BCM there could be a diagnostic trouble code pointing to the problem !
DTC B257A 00: Headlamp Switch Input Signal Mismatch
Diagnostic Fault Information


Short to Ground

Open/High Resistance

Short to Voltage

Signal Performance
Headlamp Switch Off Signal
B257A 00
Park Lamp Switch On Signal
Headlamp Switch On Signal
B257A 00
Headlamp Ground
2, 3, 4

1. Headlamps Always On

2. Headlamps Inoperative From Switch

3. Unable To Turn OFF Automatic Headlamps

4. Park Lamps Inoperative From Switch

5. Park Lamps Always On
When the headlamp switch is in the OFF position, the body control module (BCM) receives a ground signal through the headlamp switch OFF circuit and an open signal on the park lamp ON circuit and headlamps ON circuit. When the headlamp switch is in the PARK or HEAD position, the BCM receives an open signal through the headlamp switch OFF circuit and a ground signal through the park lamp ON circuit or headlamp ON circuit.
Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the headlamp switch.
  2. Verify that a test lamp illuminates between the ground circuit terminal 8 and B+.
  3. ?‡'
    If the test lamp does not illuminate, test the ground circuit for an open/high resistance.

  4. Ignition ON, verify the scan tool Auto Hdlp. Disable Sw. parameter is Inactive.
  5. ?‡'
    If not the specified value, test the signal circuit terminal 3 for a short to ground. If the circuit tests normal, replace the BCM.

  6. Verify the scan tool Headlamp Switch parameter is Inactive.
  7. ?‡'
    If not the specified value, test the signal circuit terminal 1 for a short to ground. If the circuit tests normal, replace the BCM.

  8. Verify the scan tool Parklamp Switch parameter is Inactive.
  9. ?‡'
    If not the specified value, test the signal circuit terminal 2 for a short to ground. If the circuit tests normal, replace the BCM.

  10. If all circuits test normal, test or replace the headlamp switch.
If the BCM needs to be replaced , it has to be programmed . The dealer is pretty much the only place to have that done at ! There are other places ,you have to look in the phone book or inquire at local repair shops . Some towns ,city's have mobile repair guy's that do flash programming of modules etc... Good luck hope I gave you some insight on the problem ! I tell people these thing's an it's like they don't believe me , I see they repost the same question . I started working as a Technician in 1984 at a Chevy dealer ship an have worked at Cadillac , Pontiac , GMC dealer ships ! I see all to often people trying to fix these type of problems by just replacing parts not knowing what they are doing an wasting there money an later bring it to the shop anyway ! So I hope you make a good decision an take to a qualified repair person or shop !

Jul 05, 2015 | 2011 Chevrolet Traverse

2 Answers

Subaru outback wagon tail light not working off

There are several components of your 1997 Subaru Outback that can cause your tail lights to stop functioning correctly. To help pinpoint the cause of the problem, it would be very helpful to also check your front marker lights. If the marker lights are working, then we know that the problem is not the headlamp switch or the tail and illumination relay (located in the fuse and relay box).

The components to check are:

> Fuse #23 (20 Amp) in the Main Fuse Box.
> Fuse #5 (10 Amp) in the Fuse and Relay Box
> Tail And Illumination Relay
> Headlamp Switch

May 06, 2012 | 1997 Subaru Outback

1 Answer

Rearended low impact but now the parking lights wont turn off. Dealership says the module needs to be replaced and insurance company says it's not related to the accident.

It could be the SJB (module), but they need to hook up diagnostic tool and get DTC codes.

Principles of Operation
The smart junction box (SJB) monitors the headlamp switch position by sending voltage reference signals on multiple circuits to the headlamp switch. At any given time, one of the signal circuits is routed to ground. If the SJB does not detect any of the inputs to the headlamp switch is active (routed to ground) for 5 seconds, the SJB turns on the exterior lights and keeps them on for 10 minutes after the ignition switch is turned off (or 10 minutes from the time the SJB does not detect any headlamp switch input if the ignition switch was already off). If the SJB detects multiple circuits short to ground, the SJB implements a planned strategy depending on the multiple inputs received. If either of these situations occur, the SJB should NOT be ruled immediately as being at fault. This is normal behavior of the SJB design as it has detected a fault with the inputs from the headlamp switch.
When the SJB receives an input from the headlamp switch indicating a request for the parking lamps, the SJB energizes the parking lamp relay, which supplies voltage to the exterior lamps.


Pinpoint Test R: The Parking, Rear Or License Plate Lamps Are On Continuously
Normal Operation The smart junction box (SJB) provides a ground for the parking lamp relay coil when a request for the parking lamps is received. When the parking lamp relay is energized, voltage is sent through circuit CBP08 (GY/YE) to the rear and front parking lamps.
    Possible Causes
  • Circuit CBP08 (GY/YE) short to voltage
  • SJB

  • Ignition OFF.
  • Using the recorded results from the SJB self-test:
  • Was DTC B1578 recorded?
GO to R2.

  • Disconnect: Headlamp Switch C205.
  • Carry out the headlamp switch component test.
  • Is the headlamp switch OK?
GO to R3.

INSTALL a new headlamp switch. REFER to Headlamp Switch in this section. CLEAR the DTCs. REPEAT the self-test. R3 CHECK CIRCUIT CLS34 (GY) FOR A SHORT TO GROUND
  • Disconnect: SJB C2280d.
  • Measure the resistance between the headlamp switch C205-3, circuit CLS34 (GY), harness side and ground.

  • Is the resistance greater than 10,000 ohms?
GO to R6.

  • Disconnect: SJB C2280e.
  • Do the rear parking lamps continue to illuminate?
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

  • Disconnect: SJB C2280a.
  • Do the front parking lamps continue to illuminate?
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

  • Disconnect all the SJB connectors.
  • Check for:
    • corrosion
    • pushed-out pins
  • Connect all the SJB connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present?
INSTALL a new SJB. REFER to Section 419-10. TEST the system for normal operation.

The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.

  1. If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  1. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  1. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • CAN or ISO circuit fault; all electronic control units no response/not equipped, refer to Section 418-00.
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out the self-test diagnostics for the SJB.
  1. If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index.
  1. If no DTCs related to the concern are retrieved, GO to Symptom Chart.

Aug 09, 2011 | 2006 Ford Fusion

1 Answer

How to replace driver side headlight 2003 nissan altima

To Remove:
  1. Ensure that the lighting switch is in the OFF position.
  2. Disconnect negative battery cable.
  3. Remove or disconnect the following:
  • Front Fascia
  • Headlamp mounting bolts.
  • Headlamp by sliding it foward.
  • Headlamp connectors.

To Install:
  1. Install or connect the following.
  • Headlamp connectors.
  • Headlamp and mounting bolts.
  • Front fascia.
  • Negative battery cable.

Jan 14, 2011 | 2003 Nissan Altima

1 Answer

Lowbeam head lights dont't work after changing bulbs

{: ) For the lowbeam headlamps, check these fuses at the underhood fuseblock:
HDM 15amp (main power for the HDM relay. Important)
Voltage is always present at the HDM fuse. When you switch on lowbeams, voltage should be present on the LT and RT fuses. Otherwise check the HDM relay or swap it with another known good and similar relay.
Check the two fuses again for votage:
If voltage is now present, proceed with wiring checks, checking for open wiring going to the bulbs.
If voltage is still not present on the two left and right fuses, but the HDM fuse and relay voltages are okay, you may be having a bad fuseblock.

Aug 07, 2010 | 2006 GMC Envoy

1 Answer

Replacing headlight bulbs Altima2003

Removal and Installation To Remove:
  1. Ensure that lighting switch is in the OFF position.
  2. Disconnect negative battery cable.
  3. Remove or disconnect the following:
    • Front fascia
    • Headlamp mounting bolts
    • Headlamp by sliding it forward
    • Headlamp connectors
To Install:
  1. Install or connect the following:
    • Headlamp connectors
    • Headlamp and mounting bolts
      1. Torque to: 58 in. lbs. (6.5 Nm)
    • Front fascia
    • Negative battery cable

Oct 01, 2009 | 2003 Nissan Altima

1 Answer

AC Control Lights

this is your heater control unit if u can live with it its ok or just get on and find a used one it will be 25% cheaper than dealer look for yard close or just have it ship

Jul 01, 2008 | 1998 Lexus Gs 300

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