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Old 08-08-2021, 01:52 PM
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cycleguy55 cycleguy55 is offline
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Join Date: Feb 2014
Location: White City, SK
Cobra Make, Engine: West Coast, 460 CID
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Quote:
Originally Posted by splenderleith View Post
It is a superfomance cobra, purchased in 1996 with the 460 crate motor. I replaced the external voltage regulator yesterday, with no apparent change. The battery is brand new, but there was no battery in it when I received it. I purchased one that fit in the space and hooked up the + and - thick wires to the battery. The battery starts the car well and runs all of the accessories, but it completely drains within about an hour of driving.

I am not sure if there are any smaller wires that need to be hooked up to the battery terminals. I may pull it back out to see if I can see anything. The guy at the auto parts store said that if I probe the positive post on the alternator and ground the other probe, I should get 14.4 volts, but I get almost nothing. I am wondering if the wire positive wire may be grounding out somewhere, due to a worn insulation issue. I am not very strong electrically, so it is quite possible it is something very simple.
Ford-type alternator or some other type (e.g. GM 1-wire)? What wiring connections do you currently have?

I'd be inclined to not only double-check the grounds, but install a ground wire from the alternator to the chassis / frame. You can never have too many grounds (within reason).
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