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Technical => Electrical Tech => Topic started by: booksix on March 25, 2008, 07:27:51 PM

Title: All the locations the backup light signal shows up
Post by: booksix on March 25, 2008, 07:27:51 PM
Ok, so my back-up lights don't come on.  I figured the connection was in that black connector that comes out of the trans hump and goes into the dash, but I have this connected and they don't work.  Should this signal show up on the column?  I don't know why it would (maybe for auto cars, same wiring?) but that's the only place I modified the dash harness for the SN dash (so far).  where do I find it?  What am I missing?
Title: All the locations the backup light signal shows up
Post by: softtouch on March 25, 2008, 11:40:02 PM
From the '87 EVTM:

[LIST=1]
1. Fuse 5, 15A, Hot in Run
2. Purple/Orange wire to turn signal flasher. Upper RH corner of fuse panel.
3. Purple/Orange wire to overboost buzzer. LH side of dash near light switch.
4. Purple/orange wire to black 12 terminal connector. Behind center of dash.
5. Purple/Orange wire to backup light switch on trans.
6. Black/pink wire back to same 12 terminal connector.
7. Black/Pink wire to gray 8 terminal connector. LH side of dash at fuse panel.
8. Black/Pink wire to backup lights.
[/LIST]
Title: All the locations the backup light signal shows up
Post by: booksix on March 26, 2008, 07:45:55 AM
Dang, ok for one thing I'm stupid cause I forgot I HAVE an evtm.  Next, why do I have no back up lights?

I did 'eliminate' the system sentry unit.  Could this be the problem?  I also have no working gauges in and I don't believe I made any connections for this at the column (multifunc/ign sw).  Am I overlooking something obvious?  Everything else seems to work...
Title: All the locations the backup light signal shows up
Post by: softtouch on March 26, 2008, 05:28:55 PM
Refer to pages 100 and 101 in your EVTM and get out your meter.
Title: All the locations the backup light signal shows up
Post by: booksix on March 26, 2008, 06:23:53 PM
right on, thanks!