Quote:
Originally Posted by bell
Well if the lights were working then first I'd make sure it was an identicle module and that it was plugged in correctly.
BMW designed the module to be impossible to install wrong- the harnesses can only fit in one way, so I'm pretty sure I didn't mess this up. Luckily I also have the old module to compare to, and it is identical
Do check that the proper bulbs are installed......
On my way out to check this now.
With the bulbs plugged in they will show some continuity to ground with resistance, set your meter to ohms.....with the bulb out there should be no reading at all, this is providing the cirquit from the bulb to the module is a strait shot.
Two problems with accomplishing this will be that I don't know which wires go to which bulbs, and second to pull out a bulb and test, the taillight back pulls out and removes it from the system altogether. It has like the equivalent of its own harness that disconnects when you pull out the bulb side- I've never seen anything like it before
Does anyone have a schematic?
My friend tim has 2 e30 m3s.....I'll see if he can look at his manuals if we can't dig it up.
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Thanks for the help so far- I'll see about those bulbs now.