Question about 1997 Honda Civic
I have installed a new alternator new battery but it is not holding a charge. I think that the wirring is mest up. what else could it be?
Try testing the battery terminals with a tester check the voltage with the DC 50V range(red to the positive black to the negative body ground). at engine shut the bat should read 12V. start the engine it should read 13 to 13.5v. If it checks that way it should be charging. Same happened to my civic. until I added a grounding lead wire to the negative post of the battery to a good grounding spot to the car engine. It solved my problem. Somehow honda's this series has no good grounding or the original wires are short of conductance.
Posted on Nov 08, 2008
The new battery might be faulty. I have had a few new batteries that seemed good. After they were installed, the car would start right up. If the car sat overnight, the battery would drain down to about 10.5V and wouldn't start.
Try disconnecting the (-) terminal on the battery and let the car sit overnight. Then reconnect the
(-) and try to start the car (or if you have a voltmeter check the voltage across the battery terminals) . If the car is hard to start or doesn't start the battery is defective.
here is the wiring diagram for the charging system. let me know if you need any of the other wiring diagrams.
(click for full-size)
Posted on Nov 01, 2008
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Posted on Jan 02, 2017
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