Question about 1993 Jeep Wrangler
Jeep will start fine, volt meter in dash reads about 11, have cleaned up 4 connections going to block, 1 to firewall, replaced negative battery clamp, replaced alternator, jeep will eventually quit if driven long enough, acts like dead battery when quits
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Posted on Jan 02, 2017
SOURCE: voltage irregularity
Well that's ABSOLUTELY NOT TRUE, the voltage regulator is in the ALTERNATOR. This vehicle needs an alternator and that should take care of this problem. Good luck and thanks for using FIX YA
Posted on Jan 27, 2009
Have you checked the battery cable connections? If so, check the negative battery cable from the battery to the body and from the battery to the engine for breaks or if they are loose. If good, check the positive wire going to the starter, there is also an inline fuse in the pos. cable to the starter that might have blown. But, my guess is that the battery cables are loose. Hope that this helped, good luck. Let me know how it went. I'll be here if you still need me.
Posted on Mar 20, 2009
Most likely it is the voltage regulator that's going bad which allows overcharging. this is inside the alternator, so it most likely needs replacement. you could pull it out and take it in to most auto parts stores and they would check it to make sure.
Posted on Jul 06, 2009
Regardless of what caused the smoke it is apparent that your alternator is not charging the battery.
Check the alternator is properly grounded, and that the B+ terminal is connected to the battery supply.
Check the exciter terminal (usually labeled "IND") is connected to the "BAT" indicator dashboard lamp - check the indicator lamp lights when the ignition is on without the motor running.
Battery terminal voltage should be approx 14.5V when the motor is running, with a load such as headlights on.
Check the fusible link ( or in line Maxi fuse) and their electrical connections is in good order.
The alternator/regulator may have been 'spiked' as a result of a poor electrical connection while changing batteries. The fact that the horn sounded indicates that a voltage spike had likely occurred.
I suggest you fix the battery charging problem first, then pursue whatever other problems that may still exist.
Posted on Oct 08, 2009
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