I have parking lights and turn signals but no headlights when I turn them on. The problem occurred after a small accident the car was involved in the body shop got headlights but when all lighting was working the headlights or marker lights would go out. I figure its probably a relay issue but which one....? I need a wiring diagram
Just a thought. I have a 98 626 5 speed. When the hand brake is applied the head lights go out but the marker lights stay on. Might be a switch issue with the hand brake...worth a look. The sensor should be located at the pivot point for the brake handle.
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Well, the headlight switch would have no connection to the brake and turn signals. But you could have a ground problem somewhere. I would want to trace the circuit from the brake switch to the tail lamps with the headlights on to verify. And does it matter if you are using headlights or just parking lights.
Yes I would look for a ground circuit problem. I would look at the ground wires for the headlights first. Even run a new ground wire for the tail lights to see if it helps. Could be a ground connection for the body to frame or body to battery.
Way 1) YOU NEED A SKINNY SHAFTED STAR SCREWDRIVER. This is how the manual describes it: Unscrew the 2 star screws holding the parking light housing on. One is on top, the other is between the parking light and the turn signal. This second screw can be very difficult to get to because the parking light and turn signal housing are very close. After the parking light housing is off, you can unscrew the turn signal housing. The screws should be located on top of the housing, underneath the parking light housing.
Way 2) This is the way I did mine: First, you have to take the headlight housing off. It should be pretty easy to pop off if you pry it the right way. It is held on by 1 square clip and 2 ball and socket clips. There is a small risk of breaking the ball and socket clips, as getting the headlamp housing off does require a little force, so be careful. You may want to take the headlight bulb out first, but isn't necessary. (Removing the right side bulb may require removing the battery) Once the headlamp housing is off, the turn signal bulbs should be very easy to get to.
To remove the bulb, simply turn the bulb socket and it will come out.
For the rear turn signal:
Open the lift gate.
There are 3 hex screws that hold each rear light assembly on. I'd recommend a hex screwdriver, as a socket wrench or box wrench would be very hard to use on the screws. Once the hex screws are off, just tug on the light assembly and it will come off. The bulbs are very easy to get to. The turn signal is the yellow one.
What may have happened is either the headlights wiring or the parking lights wiring somewhere along the wiring fused to the left turn signals wiring. Depending on if the turn signals go on when you put the parking lights on or the headlights on.
If the signals come on when you turn on the headlights than you only need to locate the light green wire that comes off the left turn signal harness.
Next follow that wire the entire way back to the firewall looking for another wire fused to that wire as you go.
If there are no signs of this you need to continue looking on the other side of the firewall all the way back to the turn signal and hazard flasher unit which is a black box that connects to a black harness located next to a grey harness behind the knee bolster.
But if the signals come on when you turn on the parking lights than you will also need to check the wiring from the rear left signal and follow that light green wire all the way back to the turn signal and hazard flasher unit.
This should fix your problem, but if not than your problem may lay within the the wiring between the turn signal/hazard switches and the turn signal and hazard flasher unit.
Also you may have a burnt circuit in the junction block. This block is where the light green from the rear left signal and front left signal meet. Don't have a description but if you cannot find it let me know and I will go out to the yard and look myself and let you know.
I had the same problem with a 960. I checked the rear turn signal bulbs and they were okay. I took a look at the front left turn signal bulb and the two contacts on the bottom of the bulb had melted into one contact. If you remove the bulb, the turn signal will function again when the parking or headlights are turned on, but will flash fast since there is no bulb in the socket. You may also want to check the socket of the bulb to be sure that they are not shorted together.