Headlamp Problem...
04-04-2002, 09:31 AM
#1
Burning Brakes
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Join Date: Feb 2002
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Headlamp Problem...
For some reason when my headlamps pop up the light on the right hand side (from in the car) cuts out. Its on until it reaches the top of it travel then it cuts out, any ideas?? <img src="graemlins/xyxwave.gif" border="0" alt="[bigbye]" />
04-04-2002, 02:12 PM
#2
Instructor
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Your wire is probably broken somewhere in the wire harness. As it moves to the up position the wire separates and breaks the circuit. You will have to cut the shrink wrap that bundles the wires together to find it (you might be able to feel for it though). Best way to access most of the wire is to take the windshield wash reservoir off.
04-05-2002, 09:35 AM
#3
Nordschleife Master
As Outlaw said, a wire is most likely fractured from the flex duty. The wire used wasn't the greatest quality and it has to do a lot of flexing.
Turn on your lights, grab the wire with your fingers and wiggle a small section and see if light goes back on. You can probably narrow down where the break is. But it will be somewhere along the portion that flexes when the headlight bucket moves.
It is strange, but every 944 headlight wiring flex failure I have seen has been the same right hand headlight.
Turn on your lights, grab the wire with your fingers and wiggle a small section and see if light goes back on. You can probably narrow down where the break is. But it will be somewhere along the portion that flexes when the headlight bucket moves.
It is strange, but every 944 headlight wiring flex failure I have seen has been the same right hand headlight.
04-05-2002, 11:02 AM
#4
Burning Brakes
Mine failed on the drivers side, two wires sheilding broke away and would short and blow the fuse whenever the lights popped up.
The damage was under the sheathing right at the bend where it is tied to the headlamp assembly.
It gets lots of flex there.
The damage was under the sheathing right at the bend where it is tied to the headlamp assembly.
It gets lots of flex there.
04-07-2002, 11:45 AM
#6
Nordschleife Master
Yeah, flex failure usually happens where the wire run ties off to a fixed point. And why terminal makers are always working on ways to have a better transition at the terminal.
You need nice smooth, long curves in your wiring. And very fine gauge stranded wire. Most automotive wiring is fairly course gauge stranding so it isn't a surprise when it finally gives up the ghost.
You need nice smooth, long curves in your wiring. And very fine gauge stranded wire. Most automotive wiring is fairly course gauge stranding so it isn't a surprise when it finally gives up the ghost.
