Question about 1985 GMC S-15

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Wireing problem my 85 s15 died the other day there is no power to anything accept headlights and interior door lights theres no ignition turn signals break lights dash power i have no idea what it could be i checked fuses

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Check the ground wire that comes off the negative terminal that hooks to the core support right by the front headlight and battery. mine did something similar

Posted on Jan 23, 2014

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Posted on Jan 02, 2017

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SOURCE: 1990 GMC Suburban Wiring Problem

Have a Surban that did the same thing .. problem was the wiring harness for a trailor if your vehicle is equiped with it.

Posted on Sep 17, 2008

motor1258
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SOURCE: 2003 denali trailer wiring

If your signals & brakes are on 2 different circuits, ( for example a red lens for stop & an Amber for turn.) then you'll need to buy a converter that goes between vehicle & trailer. They're not too expensive at any trailer or RV place. I think some of the autoparts stores stock them now too.

Posted on Nov 29, 2008

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SOURCE: brake lights wont turn on.1994 gmc sierra.

This may sound too simple, but first verify that you are getting voltage to the light socket. Use meter on d.c. If you are getting voltage, and your bulb is good, it could be a bad ground. Don't overlook the brake light system goes through the directional signal in the steering column.

Posted on Feb 20, 2009

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SOURCE: 99 gmc denali dash light, parking lights, tail

You have a short to ground somewhere in the drl-fog lamp circuit. Check for obvious wiring connector or wiring to drl & fog lamps. check wiring for pinched or broken wires coming from sockets. If you don't find problem, you can trace wiring from lamps to main harnesses and hopefully find source of short.
hope this helps.

Posted on Mar 02, 2010

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SOURCE: marker lights wont work on my trailer. but the

96 gmc topkick truck... marker lights won't work... where do i find a fuse box diagram... which fuse box???

Posted on Nov 11, 2010

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After dark I get no sound out of my speakers. Any other time of day it works great.


I take it you mean that the radio stops working completely once the headlights are switched on. So if you sit in the car during daylight hours and turn the lights off and on, the radio does the same except the other way round (lights off, radio on). Have I got that right?
It cannot be the fuse because the radio wouldn't work at all if it had blown. The wiring may well be the problem. Something is either shorting or I am thinking that there is not enough power (for whatever reason) to run both lights and radio at the same time, although the battery draw on a radio is relatively low. Is your battery charging correctly? Does it happen if you open all doors and the interior lights operate. Try opening all the doors and turning headlights off and on. Do the interior lights turn off and on like the radio does?

Sep 17, 2015 | 2004 Chevrolet Silverado 2500HD

2 Answers

Where is the interior light relay on 2001 ford windstar


Your interior lights are controlled by the GEM - generic electronic module !
Battery Saver The battery saver relay is controlled by the generic electronic module (GEM) and is located in the fuse junction panel. The battery saver relay is designed to supply B+ voltage to the following:
  • dome and map lamp switches
  • visor lamps
  • glove box lamp switch
  • interior lamp switch
  • interior courtesy lamp relay
  • delayed accessory relay
The function of the battery saver relay is to prevent excessive battery drain by interior lighting circuits. The GEM supplies a ground signal to the battery saver relay anytime one of the wake-up inputs of the GEM is activated to operate the battery saver relay. A wake-up command is sent when:
  • any door becomes ajar or is opened or closed.
  • the ignition key is inserted or removed.
  • the ignition switch is turned from OFF to RUN.
  • the ignition switch is turned from OFF to ACC.
  • a wake-up request is received from the remote anti-theft personality (RAP) module (if equipped).
  • The GEM will maintain the ground input with ignition in RUN or for 40 minutes from the last input activation with ignition in the OFF position. After 40 minutes the ground signal is discontinued.
This de-engergizes the battery saver relay preventing B+ voltage supply to the controlled switches and circuits.
  • Courtesy Lamp On Continuously
  • Short to power.
  • Damaged switch.
  • Generic electronic module.
  • GO to Pinpoint Test AF .
PINPOINT TEST AF: COURTESY LAMPS ON CONTINUOUSLY AF1 PRELIMINARY CHECKS
  • Check connections for clean tight fit.
  • Check for loose or damaged wires.
Do components and wiring check OK? Yes No GO to AF2 . SERVICE or REPLACE as required. GO to AF2 . AF2 CHECK CIRCUIT 53 (BK/LB)
  • Remove interior lamp relay.
  • Measure voltage at interior lamp relay connector Pin 87, Circuit 53 (BK/LB).
Is voltage greater than 0 volts? Yes No SERVICE Circuit 53 (BK/LB) for short to B+. RESTORE vehicle. RETEST system. GO to AF3 . AF3 CHECK CIRCUIT 434 (LB/BK)
  • Measure resistance between interior lamp relay connector Pin 85, Circuit 434 (LB/BK) and ground.
Is resistance 5 ohms or less? Yes No SERVICE Circuit 434 (LB/BK) for short to ground. RESTORE vehicle. RETEST system. REPLACE interior lamp relay. RESTORE vehicle. RETEST system. Interior lamp relay is located in the Instrument panel fuse box .
I/P Fuse Panel (Located Below Driver's Side of I/P )

Feb 28, 2015 | 2001 Ford Windstar

1 Answer

2003 ford windstar interior lights stay on when key is taken out of ignition but work properly when key is left in after turning off. What would cause this?


there is a dimmer switch to dim the dash lights. when you turn it all the way over it turns the interior lights on it is the same switch as your headlights.

Nov 26, 2013 | 2003 Ford Windstar

1 Answer

I own a 1986 chrysler 5th Avenue, that apparently has major electrical problems. The interior lights will not turn off when the ignition is on, and will stay on when the doors are locked.


If they don't turn off at all, sounds like a door jamb switch is broken, or the headlight switch. Both provide power for the interior lights.

Aug 21, 2012 | Cars & Trucks

1 Answer

Fuses panel described in English


Hope this helps your out. I know the diagram and locator is a bit blurry but hopefully it gets what you need.
Drivers kick panel:
Front wiper 20A - Front wiper system Cigar 15A- Cigarette lighter Audio 10A- Audio, remote control mirror Air Bag 10A -Air bag diagnostics Stop lights- 15A -Rear brake light, high mounted stop light ECU B+ 10A - Shift lock actuator, transaxle controle module, radio, engine control module Room 10A - Interior light, clock, ignition key reminder, rear cargo area light switch ABS 10A- Anti lock brake system control unit ECU IG1 10A - Transaxle control module, shift lock actuator, ABS control unit, DRL unit Meter 10A - Instrument panel, back-up switch, electronics time control module, inhibit switch Turn signal 10A- Hazard switch ,front and rear turn lights, turn indicator IGN1 20A - Ignition switch ABS 30A- ABS pump motor TNS 30A- Tail light, license plate light COOL/FAN 30A- Cooling fan Cond/Fan 20A- A/C condenser fan Starter 15A- Start signal , Fuel pump Blower 25A- Blower Motor SR/ACC 10A - Ignition switch Hazard 15A - Hazard and turn signal light D/Lock 25A- Door locks ABS 30A - Anti lock brake system control P/W RH 20A- Power window motor right hand P/W LH 20A- Power window motor left hand IGN2 25A- Ignition Switch
Engine compartment :
Head 25A- headlights IG 2 30A- Ignition switch IG coil 15A -Ignition coil, condenser,generator IC regulator, diagnostic connector. O2 down 10A- Rear O2 sensor O2 up 10A- Front O2 sensor Fuel pump 10A -Fuel pump unit Injector 10A -Fuel injector ,camshaft positioning sensor, purge solenoid valve, EVAP, IAC actuator, Mass Airflow sensor, EGR stepper motor. fuel pump relay coil, vehicle speed sensor. A/Con 10A - A/C compressor controls, cooling fan BTN 30A- Brake light , high mounted stop light. Tail light LH 10A- License plate light, tail light , rear combo light, instrument panel illumination Tail light RH 10A-License plate light, tail light , rear combo light, instrument panel illumination Head low 15A- Headlight Head Hi 15A-Headlight Horn 15A- Horn jlmacman.png jlmacman_0.png

Inside kick panel jlmacman_1.png

Mar 07, 2011 | 1995 Kia Sephia

2 Answers

The interior lights of my 1995 ford bronco will not turn off! help! specifically, this is the situation: The interior light overhead is on, and so is the light in the passenger side door, as well as the...


One of two things are going on. You have tapped into the interior lighting circuit while installing the CD player thus shorting the lights to ground. Or you have a dead short in the wiring harness in the door/hatch/ignition circuit that is telling the rely they are open,,hench the bing alert you get.

Feb 26, 2010 | 1995 Ford Bronco

2 Answers

Headlight trouble


PROBLEM COULD BE HEAD LIGHT SWITCH OR DIMMER SWITCH IS FAULTY.

Nov 07, 2009 | 1985 GMC S-15

1 Answer

On a 2005 sebring convertible-the interior lights stay on. They eventually turn off, but only after a long period of time with the engine turned off.


There is an interior light delay module. It is made to leave the lights on for a period of time after you close the door and with the ignition off. If it is an extremely long time, you may have to replace that module. YOu really didn't indicate how long it stays on. Anything one minute or under should be acceptable.

Hope this helps.

Oct 01, 2009 | Chrysler Sebring Cars & Trucks

2 Answers

Interior lights do not come on


Is it an old van? Can you see on the door frame a switch does it come out when the door is opened (push in and out a few times). 3 position switch on always / off always and door switch?

Apr 10, 2017 | 1999 Ford Windstar

1 Answer

Headlights won't come on when I turn on the switch


I am working on my 85 DL right now and got a few surprises when I went behind the dash - someone had been there before and moved a few things. I've owned the car for 21 years so it happened quite a while ago. I pulled my instrument cluster out along with the headlight switch. I suggest that you pull the headlight switch, ( a screwdriver removes the cover, after you've pulled the switch knob off with a good, steady tug on it.) Check for a loose connection. I found that Volvo and Haynes can't agree on the location of the relays so get a part number from the dealer for the headlight relay and then get started looking under the dash, especially under the middle A/C vents for the one you seek. I also found one hidden on the driver's side at the bottom of the center pedestal. It's black if that helps any.

Aug 28, 2008 | 1985 Volvo DL

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