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> Brake Lights Problem '90 740gl, Yes I searched :)
post Nov 24 2012, 06:17 PM
Post #1


Group: Members
Posts: 1
Joined: 24-November 12
Member No.: 113,054
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Location: fuckoff
Drives: fuckoff

Current threads on subject did not fully shed light on issue

L\R Brake lights don't work


Middle Brake Light works
(other threads indicate this is an isolated circuit from L\R rear lights)

Middle light comes on\off properly with pedal motion, assuming that physical switch is ok
(pedal must be pushed relatively far to brake)

Turning Lights Work

Yellow Bulb Warning Light turns on @ dashboard when pedal pressed
(appears both turning signals turn on as well, solid i.e. no blinking for the duration of braking, don't know if they actually illuminate or if warning light is bright enough to make them appear so)

I need to get my key in just the right spot to get all car electronics to get power

Every light related fuses look to be in tip top shape, so assuming not that

Tail lights (ie top row of lights that are red) work when headlamps turn on

The wiring looms that plug into the tail light assemblies both had a problem. The same metal prong on both sides was burned\rusty looking while the others looked shiny. Scorch marks on the plastic connector of the loom. Trusting fuses to keep fires and such at bay, cleaned the metal prongs of gunk and reconnected.

I have a multimeter but don't know how to use it. I'll look up instructions on how if needed. If there's some advice that needs it's use please be specific about what I should be measuring.

Edit: I err should not have written that on my location but I can't seem to figure out how to edit. New account time !

This post has been edited by whydoihavetosignuptosearch: Nov 24 2012, 06:26 PM
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