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Stray Catalyst
Samba Member
Joined: September 07, 2007
Posts: 542
Location: New England
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 Posted: Thu Oct 30, 2008 5:31 am Post subject: 1974 Beetle electrical question |
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I bought a Bug a while back, which had an electrical fire on its first (and so far, only) drive home. The previous owner had connected the hot lead from the alternator to the NEGATIVE terminal on the battery... which melted the wiring harness from the alternator to the battery.
I've replaced the battery, alternator, and wiring harness, but I've run into a problem. As the previous harness was too melted to check color codes, I'm left with three wires and three places to conenct them - the alternator, the electric choke, and the coil. When I hook up the battery, should all three of these have 12V? Any useful advice on how to connect these?
Stray Catalyst
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bon2198
Samba Member
Joined: August 04, 2008
Posts: 1969
Location: Nashville, GA
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| Posted: Thu Oct 30, 2008 6:14 am Post subject: |
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i'm pretty sure the only lead that should be hot all the time is the alternator. the coil and choke should only get power after the key is on if i'm not mistaken. have you looked here?
http://www.thesamba.com/vw/archives/info/wiringt1.php
_________________
1970 VW Beetle 1776cc MOFOCO w/hydraulic lifters, 042 heads and dual dellorto's
"It's better to be hated for what you are than loved for what you are not"
At the end of the day it's YOUR car so do what YOU want to it. |
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Money Pit 2
Samba Member
Joined: March 04, 2006
Posts: 71
Location: Fuquay Varina,NC
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| Posted: Thu Oct 30, 2008 7:33 am Post subject: |
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| Is the new harness using original color coding? If so what color are the wires that remain. |
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Stray Catalyst
Samba Member
Joined: September 07, 2007
Posts: 542
Location: New England
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| Posted: Thu Oct 30, 2008 9:56 am Post subject: |
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The "new" harness is the old harness, with new wires spliced in to replace those damaged in the fire. I'm garageless in New England, where we've already had snow, so I went for the quicker fix (I removed and replaced the wiring harness on a couple of other VW's in the past, it's a painful process). The harness has been cut off at the back of the driver's seat, with new wires crimped in place, surrounded with expando braid and heatshrink to protect frm chafing in the future.
Stray Catalyst |
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