Question about 1990 Ford F150

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1997 f-150 w/4.6 still not charging after new alternator and battery. any ideas?

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Regulator on the posotive end is shot its located on the firewall on the lower end by the starter the fuse link inside burned out and it will not acept charge into the veicle wiring

i recomend you to go to your parts store and get a new voltage regulator

Posted on Oct 12, 2010


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Posted on Jan 02, 2017

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SOURCE: have a 1997 Isuzu Trooper. The battery will not

Check the large cable on the alternator to make sure it has 12 volts on it with the engine not running,if it does not,then this is the problem,running a new one to the positive side of the battery to this terminal on the alternator will solve the problem.

Posted on Aug 16, 2010

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SOURCE: We own a 1997 ford

If you put a rebuilt alternator on the truck - be 100% sure the battery is fully charged before you reinstall it into the truck and this is a MUST. Ford has a problem with their alternators being able to build a low battery. Once the battery is up it is ok. Ask about this at FORD when you call with your VIN #. Take your VIN # down and call the local dealer. Ask about RECALLS for Ignitions and also any other problems.
I have a FORD and had this problem until I charged the battery fully. Also I had my wires soldered rather than just twisted and taped.
There was a RECALL on some of these and a SERVICE BULLETIN on others. Please be sure ALL connections are tight and that the battery is charged and then the Alternator will work properly.
Best of it ae9ec4d.jpg

Posted on Apr 13, 2010

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SOURCE: 1998 F-150 xlt triton v8 has new

make sure all the wires were connected back to the battery there is a red wire that sits by itself and when you disconnect the battery it tends to fall also check the alternator circuit breaker could be blown.

Posted on Aug 30, 2009

SOURCE: f 150 won't charge

It sounds like a short somewhere in wiring draining your battery. You might try a different alternator it mite be faulty

Posted on Aug 21, 2008

  • 227 Answers

SOURCE: Battery loses charge while driving. Won't

It sounds like you have a major compent shorted out somewhere. Some thing is causing a discharge. Therefore your altenator is not responding and the car is draining the battery. Is the circuit between the altenator and the battery broken?? Also, you may need to check all the chassis grounds. Sometimes all your problems can stem from just a bad ground.

Posted on Jul 31, 2009

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Could be an open connection in the line feeding the battery. Is there a fusible link inline? If so check the fuse or the line itself. Run on Ohm test from alternator to battery; this will tell you if the circuit is good. Sometimes it's as simple as a corroded or loose connection.

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