Posted by Steve@Advance on October 20, 2021 at 18:57:43 from (99.190.215.237):
In Reply to: battery cables posted by thomas h kwapiszeski on October 20, 2021 at 18:01:27:
When it fails to start, do all the accessories, lights, everything electrical go off? If so, that sounds like a bad cable connection.
Battery cables can go bad internally where the ends are attached. Usually there will be evidence, such as swelling from corrosion, or heat discolored insulation. But good cables are expensive. Factory cables are better than the auto supply cables, which are made with small wire hidden inside thick insulation. Be careful what you buy, go by the gauge, not the looks.
What you describe sounds like possibly starter brushes, or voltage drop to the starter solenoid 'IF' it has a Delco starter with the plunger type solenoid mounted to the starter.
Worn brushes will cause the starter do go silent, no click, nothing. Sometimes gently tapping the case will get a few more starts out of it. Brushes are easy to replace, available at most any auto supply.
It can also be voltage drop to the solenoid. Sometimes going through the starter, replacing the solenoid, cleaning everything up, will fix it. Sometimes an auxiliary relay needs to be added near the starter. An aux relay supplies a stronger voltage directly to the S terminal (the small post on the solenoid that energizes the starter). There can be voltage drop in the small gauge wiring from the ignition switch, through the neutral switch, then more small wire. A relay is much easier to close than pulling in the spring loaded plunger inside the starter. If this turns out to be the problem, we can walk you through adding the relay.
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