Question about 1992 Dodge Power Ram 50

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Intermittent electrical system shutdown

Recently the entire electrical system has been shutting off -- no ignition, no interior lights, nothing! Usually this occurs (intermittently) after starting; the engine does a few revs and then everything shuts down. However, the battery voltage reads fine (av. 14.1V) and tested OK; and I just replaced the alternator/regulator (AutoZone warrantied unit). I'm in So California; and this problem seemed to occur when we got series of very cold evenings. Note: hooked up to the battery is (a) a breaker block (b) the starter lead, and (c) a lead I added to the power amplifier of the audio system; when this occurred, I disconnected that last amplifier lead but that seemed not to make any difference. Is there some sort of ground-fault relay located somewhere (I seem to hear a relay latching somewhere behind the dashboard near the glove compartment when starting) that might require replacement? The one ironic problem is that since the problem is intermittent, I haven't had a VOM present to check whether something is shorting the (+) battery terminal to ground when the shutdown occurs; by the time I grab my meter (usually inside, since I refurbish vacuum-tube amplifiers in my spare time) the problem has righted itself and everything seems to read "normal". I would appreciate any ideas regarding the problem and possible remedies. Vehicle: 1992 Dodge Ram 50 (a Mitsubishi in all but decals!), 2WD, 2.4L 4-cyl engine. Thanks!

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That is probably a contact, you need to find out if wirings are making contact with the car chassis somewere.

Posted on Oct 16, 2008

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I would look into the starter connections, the power for the system is tied into the starter, loosen and tighten the connections at the starter, if you have a power distribution box under the hood make sure all the connections to it are clean and tight.

Posted on Oct 16, 2008

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