I am cleaning up and putting my 80iS back together and am stuck with interior wiring.
I removed the Air close to 25 years ago and the somewhere along the way also removed the backup light wiring as they had cut through and shorted out at the gear shift hole.
I have spent a week now looking at the wiring diagrams in the Haynes manual and a lot of the wires (color codes) do not match what is in my car. Including the wire for the horn button.
My manual says back-up light wires are Blue/white and Green/white - I have no such wires in the area at all - not true but all the blue/white wires go to the lights for ash tray and lighter. I do have cut wires in the area that are Violet/white, orange/yellow or faded Red/yellow and brown. But the violet/white is a brake light wire for sure as shorting it out fries the brake light fuse.
The horn push button wire is listed as brown/green by the manual only brown/green wire I have going up the steering column has a white plastic connector on it and is connected to a matching connector on the turn signal switch with a gray or white wire in it.
Near the center console area with the going no where violet/white, orange/yellow and brown wires (all factory banded together) is a free one by itself 14ga blue wire going no where.
Anyway I am stumped!
Any and all help is needed.
Last edited by OLD MAN; 02-24-2018 at 12:32 PM.
Always FUN TO DRIVE - Build Thread & Tech info - 79 320/6 track car build thread -- Videos of track car -Adam in car Auto-x video - Start-up video - 4/2011 Adam's TOP BMW time San Diego BMWCCA - 4-5-15 Dyno break-in run new M20B25 - Exhaust Thread - Link
All I can recommend is to take your rear internal lens covers off, see what the reverse light wire colors are and you should be able to trace it down. There are no relays, so the switch wires should be exactly the same unless there is a splice somewhere under the carpet.
Always FUN TO DRIVE - Build Thread & Tech info - 79 320/6 track car build thread -- Videos of track car -Adam in car Auto-x video - Start-up video - 4/2011 Adam's TOP BMW time San Diego BMWCCA - 4-5-15 Dyno break-in run new M20B25 - Exhaust Thread - Link
I don't know about everything else, but I found the same mistake with my horn when messing with my car over the holidays. Unplug it from the turn signal switch and leave that side unplugged. The brown/green wire needs to plug in to the back of where the horn mounts. There will be a connector just sticking out.
https://www.bimmerforums.com/forum/s...8#post29917388
Last edited by amarino; 02-26-2018 at 02:28 AM.
'81 E21 320i / '90 E30 325i / '̶9̶2̶ ̶E̶3̶4̶ ̶5̶2̶5̶i̶t (sold) / '15 Toyota XW30 / '̶̶8̶0̶ ̶E̶2̶1̶ ̶3̶2̶0̶i̶A̶ (sold)
Not that many wires here Darryl. Left and Right back up light are connected by blu-wh wire and brown wire, the blue-white wire runs to the back up light switch on the transmission, the second wire at the back up light switch Green White goes to the fuse box and connects to a 8 amp fuse--white, under supplemental fan relay fuse and next to the horn relay.
Randy
Last edited by 320iAman; 02-25-2018 at 10:19 PM.
All else fails you know what to do. Just find your ends and run new wire. Less stressful especially if someone has been hacking around. Wish I took a pic of the E30 dash wiring we took out one time. Compounding stereo installs so cut back to bare harness and did it much cleaner.
88 M3
91 318is
91 318i
83 320is
08 X3 3.0si
"If it flys, floats, or f*cks, rent it!"
Sorry to bring this back up but I noticed this on a car at the junkyard that looked like it hadn't been messed with. The white wire with white connector coming off of the turn signal switch doesn't look like it goes anywhere. On this car it was just wrapped up against the harness.
IMG_20180410_091310.jpg
'81 E21 320i / '90 E30 325i / '̶9̶2̶ ̶E̶3̶4̶ ̶5̶2̶5̶i̶t (sold) / '15 Toyota XW30 / '̶̶8̶0̶ ̶E̶2̶1̶ ̶3̶2̶0̶i̶A̶ (sold)
Tom D
77 e21 - m42
88 e30m3
04 330 dinan3
84 r1000rt
02 r1150rs
all of them gray
14 f800gsa - red headed stepchild!
Thanks Tom - Still having a couple of issues so this will help!!
How have you been Tom? Hope all is well. Is your son still in AZ?
Always FUN TO DRIVE - Build Thread & Tech info - 79 320/6 track car build thread -- Videos of track car -Adam in car Auto-x video - Start-up video - 4/2011 Adam's TOP BMW time San Diego BMWCCA - 4-5-15 Dyno break-in run new M20B25 - Exhaust Thread - Link
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