Question about 1998 Pontiac Firebird

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Running lights and turn signals burning out constantly

Help? also headlamp keeps burning out

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This used to happen to me after driving through a puddle and water splashed up into the running lights, killing them instantly. If your lights are burning out in dry weather, then I can't help you. But if you've noticed this happens in wet weather, you can use some waterproofing or weatherstripping compound around the light housings to hold out water and it should help

Posted on Mar 07, 2009

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No low beam. Good high beam. No day lights. What's wrong?


No on the fuse . The LH HDLP and RH HDLP fuse in the fuse block - under hood, supply battery positive voltage to both low and high beam lamps at all times. For manual operation, when the headlamp switch is in the ON position, the headlamp switch supplies ground directly to the headlamps and to the body control module (BCM) on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. The BCM uses this signal to determine if the conditions are present to illuminate the daytime running lamps or park lamps.
The headlamps may be turned on 2 different ways. First, when the driver places the headlamp switch in the ON position, for manual operation. Second, with the headlamp switch placed in the OFF position activating automatic lamp control (ALC).For ALC operation, the BCM receives a signal from the ambient light sensor indicating a low or high ambient, outside, light level. Under low light conditions the BCM grounds the headlamp relay control circuit energizing the headlamp control relay. The now closed relay supplies ground through the headlamp switch to the headlamps and the BCM on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. When the BCM grounds the headlamp relay control circuit it also grounds the park lamp relay control circuit illuminating the park lamps. The headlamp relay is grounded at G203.
Daytime Running Lamps (DRL)
The low beam headlamps operate at reduced intensity when in daytime running lamps (DRL) mode. The ground circuit to the switch side of the DRL relay has a resistor in-line to reduce the intensity of the low beam headlamps for DRL operation. The body control module (BCM) receives a signal from the ambient light sensor indicating a low or high ambient, outside, light level. Under daylight conditions the BCM grounds the DRL relay control circuit energizing the DRL control relay. The now closed relay supplies ground directly to the low beam headlamps and to the BCM on the headlamp low beam signal circuit. The low beam headlamps now illuminate with reduced intensity. The DRL relay is grounded at G203. Any time the headlamps are illuminated the DRL will not illuminate. Manual park lamps do not effect DRL operation.

Feb 23, 2016 | 2005 Chevrolet Equinox LS

1 Answer

2006 grand Prix the drl stay on and will not go off if they do go off the come back on with nobody around the car keeps running the battery dead ????? Ready to burn it


Daytime Running Lamps (DRL)
The ambient light sensor is used to monitor outside lighting conditions. The ambient light sensor provides a voltage signal that will vary between 0.2 and 4.9 volts depending on outside lighting conditions. The body control module (BCM) provides a 5-volt reference signal to the ambient light sensor. The ambient light sensor is permanently grounded at ground G202. The body control module (BCM) monitors the ambient light sensor signal circuit to determine if outside lighting conditions are correct for either daytime running lights (DRL) or automatic lamp control (ALC) when the headlamp switch is in the AUTO position. In daylight conditions the BCM will command the low beam headlamps ON at reduced intensityy. Any function or condition that turns on the headlamps will cancel DRL operation.
There could be a DTC stored in the BCM pointing to a problem !
DTC B2645 Ambient Light Circuit

2

Turn the headlamp switch to the OFF position.
Do the low and high beam headlamps remain OFF?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3

3

Remove the appropriate low or high relay.
Do the lamps turn OFF?
Go to Step 5
Go to Step 4

there could

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1 Answer

Fix wonky, flickering, non working headlights


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1 Answer

2007 Ford Focus front passenger side turn signal blinks fast. Works fine with head lamps off, doesn't work when headlamps are on.


faulty earth wire on the wiring cluster for the heat light check with a meter and fix the earthing point.

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1 Answer

Ok, today I replaced/removed several exterior lights: 1) I replaced the left headlight 2) I removed a burned out bulb from the high mount brakelight (local part store was out of stock, coming in...


I can help you out with the left turn signal not blinking. Maybe it's a flasher or the light bulbs aren't getting current through the wiring.

I can't help you out with the interior gauge lights not turning on when you turn the headlamps on. It may have to do with the headlamp switch, though.

I've never seen the lights on the radio not dim when the headlamp switch is turned on. hm.

Good luck on this repair.

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hello there
have you solved your lights problem?

proporsche

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1 Answer

Turn signal not working


on an older car this woul dsimply mean that the turn signal flasher was burned out for that side. today its more complex. the turn signal flasher is a series of resistors and timer modules located in the workings of the body control module. This can be a simple problem with a shorted line, or a faultly turn switch or something as complex as needing a new body control module. This is something that needs to be repaired by a quality automotive mechnican with an electrical backround, and unfortunatley unless your in the nyc area i have none to suggest to you.

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1 Answer

Left signal light stays on when i turn the headlights on.


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