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My 1995 saturn sl1 has no electricity. Battery tests good, I tried to start it this morning and heard one single 'click' sound then all power went dead. No horn, lights, etc. I checked the fus

\015 Car ran fine last night, then simply will not start this morning. There is no electricity. The battery load tests fine. No fuses under the hood are blown. Both battery cables are firmly attached at the battery and at the ground and starter. Please help.\015 Posted / edited by AnonymousUser on : 19-07-2021

Answers :

The first thing I'd check would be the starter solenoid. I'm not familiar with the location on that particular model, but it'll look like this:


6_28_2012_2_41_07_am.jpeg
There will be a positive lead running from the battery to the starter solenoid.

Solenoids are usually fairly cheap (<$20), and because they die eventually in older vehicles it can be handy to have a replacement on-hand. As a result, buying one as a first step to diagnosing an electrical non-start issue really has no downside. If it fixes the problem, you know the cause. If it doesn't, you have a small, cheap replacement part you're almost guaranteed to need at some point in the future.

If, however, it is not the starter solenoid, you likely have (in order of ease of fixing) a locked-up starter (hit it hard with a hammer and attempt to start the vehicle again), a bad starter, or significant corrosion in the electrical leads running between your starter and the battery and/or solenoid.

The next step would be to remove the starter and take it to an auto parts store for testing. In the event it tests good, you'll want to test the resistance of the battery cables. Frequently there will be signs of corrosion somewhere along them in the form of bulging or split insulation and accumulations of white powder around and between the strands of copper inside the cable. Unfortunately, external signs of corrosion are not always present even in cases where significant corrosion resistance has built up in one or more electrical cables.
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