Drew - Go to Advance Auto Wire at www.advanceautowire.com and find your
wiring diagram. If the electrical burning stopped after you turned off the
ignition switch, I would check the switched battery circuit from the switch
to the fuse box. That should be the white circuit. I think there may be a
missing outline on the later diagrams, but the '69 - '72 diagrams should
give you the idea. Any dead shorts to ground on that circuit ahead of the
fuse would cause lots of smoke and damage. Next question - have there been
any modifications done (good or bad) on the wiring? Unfortunately, one
burning wire can end up burning other, unrelated wires in the same bundle.
Good luck.
Alex Thomson
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of Graybeal Design
Sent: Monday, December 12, 2011 3:20 PM
To: triumphs@autox.team.net
Subject: [TR] TR6 Meltdown
Hey guys, it's me Drew again with the carburetor problem fixed but still
needing assistance on a new issue.
I was happily motoring down Pacific Coast Hwy in Malibu when I smelled the
pungent odor of burning wire harness. I pulled over and the cabin filled
with smoke which seemed to come from under the dash. I switched off the key
and lifted the hood to disconnect the battery and found the area around both
fill caps on the battery moist and the insulation on the harness is
burned/melted from the alternator back through the firewall, under the dash
and back out and up to the positive terminal on the battery. I can't believe
the car didn't burn to the ground. The problem stopped when I turned off the
ignition.
Did I just have a over charge condition....? What happened? What is the best
fix in terms up update opportunity and cost? Why didn't I blow a fuse? Any
thoughts however random are appreciated.
Thanks,
Drew
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