Question about Humminbird 383c Fish Finder Gps Combo

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Input low voltage

If you are getting input voltage low and the cable is not your problem then you need to change your pcb component. You will probably not be able to do this yourself ....go to humminbird website and call them to send it off for repair.

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SOURCE: MY 300 SERIES HUMMINBIRD GPS FISHING FINDER HAS

I would say your battery is not putting out enough voltage. Have it checked at any Auto parts store.

Posted on Jun 05, 2009

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Looking for the fuse for the wiper motor 2008 chevy impala


WPR fuse 25amp under hood fuse box .
Wiper/Washer System Components
The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper PCB relay
• Wiper high PCB relay
• Windshield wiper motor
• Windshield washer fluid pump
• Windshield washer fluid level switch
• WPR fuse 25 A
• WSW fuse 10 A
This is more then likely not a fuse issue !!!!!!!
Low Speed Operation
When the wiper switch is in the low speed position, ground is applied through the switch internal resistor and the wiper switch low signal circuit to the body control module (BCM). In response to this signal, the BCM energizes the WIPER PCB relay by applying battery voltage through the wiper relay control circuit to the coil side of the relay. This allows battery positive voltage from the WPR fuse to flow through the switch input side of the WIPER PCB relay and out to the switch input side of the WIPER HIGH PCB relay. Since the wiper high relay is de-energized and its switch contacts are normally closed to the low speed control circuit of the windshield wiper motor, the motor will operate at low speed.
Wiper motor low speed operation and the wiper PCB relay can also be commanded ON/OFF by using a scan tool. Refer to Control Module References.
The PCB relays mentioned above are soldered right into the circuit board inside the fuse/relay block under the hood . There are alot of reasons for the wipers not to work ! The fuse could be blown but fuse's don't just blow for no good reason , short to ground , low resistance high current flow etc.... Intermittant !

Power and Grounds
With the ignition in the ON position, accessory voltage is supplied through the 25A WPR fuse to the WIPER PCB relay, the WIPER HIGH PCB relay and the WS WASH PCB relay that are all located in the underhood fuse block. Refer to Wiper/Washer Schematics.
G200 provides ground for the windshield wiper motor and the WIPER PCB relay. G100 provides ground for the windshield washer fluid pump and the windshield washer fluid level switch.

Dec 04, 2016 | Cars & Trucks

1 Answer

I'm driving in rain, wipers working good, all of a sudden they quit! I drive for 15 min, check again, they work for a while, then quit again...what in the problem?


If your not familiar with automotive electronics an module control of components , I suggest you take it to the dealer . They have the tools to diagnose this type problem !
The Wiper/Washer System consists of the following components:
?€¢
Windshield wiper/washer switch


?€¢
Body control module (BCM)


?€¢
Wiper PCB relay


?€¢
Wiper high PCB relay


?€¢
Windshield wiper motor


?€¢
Windshield washer fluid pump


?€¢
Windshield washer fluid level switch


?€¢
WPR fuse 25 A


?€¢
WSW fuse 10 A


Low Speed Operation
When the wiper switch is in the low speed position, ground is applied through the switch internal resistor and the wiper switch low signal circuit to the body control module (BCM). In response to this signal, the BCM energizes the WIPER PCB relay by applying battery voltage through the wiper relay control circuit to the coil side of the relay. This allows battery positive voltage from the WPR fuse to flow through the switch input side of the WIPER PCB relay and out to the switch input side of the WIPER HIGH PCB relay. Since the wiper high relay is de-energized and its switch contacts are normally closed to the low speed control circuit of the windshield wiper motor, the motor will operate at low speed.
High Speed Operation When the wiper switch is in the high speed position, ground is applied through the windshield wiper switch high signal circuit to the body control module (BCM) indicating the wiper high speed request. In response to this signal, the BCM then energizes the wiper PCB relay, as stated above, and the wiper high PCB relay by applying ground through the control circuit to the coil side of the relay. With the wiper high relay energized and its switch contacts closed to the high speed control circuit of the wiper motor, the motor will operate at high speed.
Wiper motor high speed operation and the wiper high speed PCB relay can also be commanded ON/OFF by using a scan tool. Refer to Control Module References.
DTC B3715 02: Front Wiper Relay Drive Circuit Short to Ground
DTC B3875 00: Wiper High Speed Relay Circuit
DTC B3922 00: Front Wiper Function Select Circuit
You could Have a switch problem , BCM problem ,PCB relay problem , the pcb relays are non serviceable an the whole under hood fuse box would need to be replaced . Malfunctioning motor bad ground some where etc.....

Dec 20, 2015 | 2008 Chevrolet Impala

2 Answers

How check pcb after lightning strikes??


Over voltages as little as 20% greater than expected (under the right circumstances) can cause components to fail with no outward indication of failure. Other times, these same or greater voltages will obliterate a component and without the benefit of a schematic will make identifying & replacing it impossible.

Nearby lightning strikes often cause multiple components on different PCB to fail at the same time, complicating troubleshooting significantly. Faults can appear on power supply PCBs and in the RF stages along antenna / cable inputs and out to cable boxes DVD players, etc.

These are usually not fixed by DIYers without specialized test equipment and manufacturer's service manuals.

Jan 30, 2015 | Televison & Video

1 Answer

Mfc 7360 unable to print 7a


Error code 7A
A synchronized signal of the main motor cannot be detected.
Turn the power off and then back on again.
1 Flat cable connection failure of main motor
Check the flat cable connection of the main
motor and reconnect them.
2 Main motor failure Replace the main motor.
3 Low voltage power supply PCB failure
Replace the low voltage power supply PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Replace the main PCB ASSY.

Jan 14, 2015 | Brother MFC 7360N - Multifunction fax /...

1 Answer

Why do I keep getting ERR message.I changed batteries but continue to get ERR reading. What is wrong and how can I fix?


hmmm at the input where the voltage comes in there usually is some components to clean the input signal, and a resistor, but it will be tiny on your pcb, and a diode , to prevent wrong assemly against
putting the batteries the wrong way in the unit. But you say that the unit works? Can you give me the type with the errorcode pls?
gr.Richard

Oct 09, 2014 | Cameras

1 Answer

Trying to set up my new elements tv with a uverse wireless box. Did a channel scan but still can't find any channels. Help please!!


Is this a high def tv? Are you using an hdmi cable, component cable(red green & blue) or a low def coax cable to connect the tv? If coax, the tv needs to be on channel 3 or 4. If hdmi or component cable is used you need to change your input on the tv with your remote to the matching input you wired it to. The uverse stb (set top box) changes the actual channels once you have selected the correct input.

Jun 26, 2014 | Televison & Video

1 Answer

Copies are black . Changes toner and cleaned corona wire, but still coming out black & blotchy


(2) All black At the scanner
Check the following components:
- CIS harness
- CIS unit
- Main PCB
At the printer side
 Clean the high-voltage contacts for the grid and charger on the
drum unit, main cover, and high-voltage power supply PCB.
(Contacts and in the illustration given on page 6-28)
 Clean the charger (corona wires) itself.
 Check the connection of the laser flat cable on the main PCB.
 Replace the drum unit.
 Replace the high-voltage power supply PCB.
 Replace the main PCB.

Nov 24, 2009 | Brother IntelliFAX 2800 Laser Fax

1 Answer

Sound, but no picture


The hdmi inputs on this unit go directly thru the main digital pcb. and the component inputs feed thru the av pcb then to the main pcb. If the composit hook up do not work and hdmi inputs do work the unit has a bad AV pcb.

Nov 08, 2007 | Sharp Aquos LC-37G4U 37 in. HD-Ready LCD...

3 Answers

COld Solder/Short


The silver box where the cable plugs into is the TUNER,there are no fuses in there and the problem is not likely to be there,the loose conection could be anywhere but you have a few places to check,with the tv unplug from the wall you can safely check for loose conections in the power supply area and around the output transistor including the areas of the horizontal drive circuit and output transformer,those are the areas most likely to the symptoms you have but you can also check the edges of the chassis for a broken or crack board.Let Us know if you need more help.Be careful when you are checking for conections.

Oct 15, 2006 | Toshiba CZ27V51 27" TV

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