Thread: voltage drop
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spuggy spuggy is offline
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Join Date: Jul 2003
Location: Glorious Pac NW
Posts: 4,184
Quote:
Originally Posted by jbrown View Post
Are there any grounds to check in the engine compartment.
There's like 17 grounds on the entire car, some hidden away in strange places (like inside the dash). Recall seeing a diagram on the 911 forum.

Primary ones to check after the battery would be
  • body/transmission ground strap (totally exposed and can get horrible after only a few years - but cheap and relatively easy to get at) and
  • alternator/motor case ground lead. Inside the fan shroud, so not especially convenient to check/replace.

IIRC, cable from the battery positive post runs back to a terminal on the starter used to connect it to the alternator power feed; clean/tight connection there couldn't hurt either.
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'77 S with '78 930 power and a few other things.
Old 11-17-2018, 08:12 AM
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