Question about 1990 Ford F150
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
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
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
Posted on Apr 13, 2010
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
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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