Should this not be a direct swap to my 1990 325is? I know that I need the wiring harness out of an older e30, but I have another problem. There does not appear to be a way to mount the clock. It falls through the existing hole for the OBC. What is the trick to mounting it?
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the mounting piece from the obc should come off by pushing in a couple tabs. then it just snaps onto the clock. atleast thats how it was on my 89.
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I have it mounted. I also have a wiring harness from a 318. The problem now is that the colors are not matching up. The 4 prong connector has brown, red/green, brown/black and purple/grey. The only match is the brown. A previous thread stated that you match up as many as possible and the others are not used. I imagine it needs more than one wire. Any advice from the wiring experts would be appreciated.Comment
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It only needs a constant and a ground and an Illumination circuit. Very simple find these and you are set 3 wires on a 4 wire plug.
PS I have some sitting around collecting dust.Comment
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That's what i did in the 91, found the wires and just hooked it up.Originally posted by M-technik-3Comment
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For future reference this is the wiring combinations that worked for me:
1990 325is -> 4 prong wiring harness
BR -> BR
RD/WT -> RD/GN
BR/WT -> BR/BK
GY/RD -> VI/GYComment
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