markz2004
Samba Member
Joined: November 13, 2007
Posts: 944
Location: Portland, OR
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 Posted: Sun May 13, 2012 9:24 pm Post subject: High Beams on & Tac Dies? |
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When my high beams are on, my Tac drops to zero. I do have the GW headlight upgrade kit, however it has worked flawlessly for four years.
Any thoughts in samba land?
Thanks,
Mark
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87 Westy, 250k GW 2.4 - 2.0  , 16" wheels |
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deprivation
Samba Member
Joined: September 14, 2006
Posts: 1220
Location: Austin, Texas
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| Posted: Wed May 20, 2015 11:27 am Post subject: |
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I fixed this problem by running running a ground directly from the ECU ground and the battery neg. I had completely cleaned up every conceivable ground in the entire known Vanagon universe, which did seem to help overall running issues. However I was still getting an occasional stumble/die with the high-beams on (i have the GW relay upgrade)- especially if it was in gear but stopped.
The voltmeter said the battery was fat and happy even though the engine said otherwise.
See if adding a decent-sized ground right back to the ECU doesn't fix it for you.
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1986 Westy 2WD auto a.k.a. "The Old Girl"
www.kittenfart.com |
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