F150 STARTER AND BATTERY

1997 Ford F-150

Tiny

jack1141

March, 30, 2009 AT 6:59 PM

Electrical problem
1997 Ford F150 V8 Four Wheel Drive Automatic 175000 miles

My truck starter tries to engage while engine is running sometimes?
Also should my engine go off if I disconnect neg, bat. Cable while truck is running?

FOUND 4035 RELATED QUESTIONS

3 Answers

Tiny

rasmataz

March, 30, 2009 AT 7:04 PM

Test the starter relay and ignition switch. If you disconnect the battery the engine will continue to run if the alternator producing its correct output.

Tiny

jack1141

March, 31, 2009 AT 8:05 AM

So what is the problem? My engine dies as soon as I remove neg. Cable. Test light shows alternator is charging battery

I already replaced ignition switch? Didn" t help

what is a starter relay? Same as starter mounted solenoid?

Thanks

Tiny

rasmataz

March, 31, 2009 AT 2:43 PM

Test the starter relay could be sticking internally causing the battery and starter contact to short out and transfering unwanted power to the starter.

4.6L the relay is located at no.2 in right rear of engine compartment see below


http://www.2carpros.com/forum/automotive_pictures/12900_relay1_4.jpg



5.4L is on no.4 see below also in right rear of engine compartment.


http://www.2carpros.com/forum/automotive_pictures/12900_relay2_2.jpg

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