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1993 Nissan Sentra 4 Door - Page 4 Questions & Answers
My car won't start even after av changed the starter
are the cables and battery posts ok! jump start to see if you get enough power to turn starter over. if it starts, then it may be a bad battery. if car is running and at battery you should have at least 13.6 to 14.2 if alternator is ok. another test is to have car off, turn on headlights with meter on battery posts, if the voltage drops way down. its the battery thats bad. good-day !
Will not start, just clicks
If it is a single click, it could also be the neutral-safety switch. Turn ignition switch on, put foot on the brake, put trans in neutral - try to start.
I just bought a new
Your problem may not have been the battery at all, but corroded connections somewhere between the battery and the starter.
Disconnect the negative battery terminal (always) first, then the positive.
Inspect the cables at the battery clamps and make sure they are not corroded away under the insulation by flexing them close to the clamps. If they bend easily, you need new cables.
If those appear to be OK, follow the positive (red) cable down to the starter or solenoid terminal, remove and clean this.
Follow the negative (black) cable to its other end (could be chassis or engine block), remove and clean this too.
If the starter still isn't responsive, the starter (or solenoid if separate) may have failed.
Whether external or internal, the solenoid has to handle 100-150 amperes which caused the heavy copper contacts to eventually arc themselves to death, often by becoming intermittent at first, then not contacting enough to supply current to the starter.
If the starter has a hump on its side, this is the solenoid and is replaced with the starter.
Some vehicles use an external solenoid (this is just a very beefy relay) and you may have found it while cleaning connectors.
When RE-connecting the battery, always connect the negative terminal last.
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