Rear defrost won't shut off sometimes causing battery to drain and radio to stop working. You can try changing the heated backlite relay in the fuse panel, relay R04, to see if the relay is causing ...
...but it still doesn't appear to be working at the factory installed pigtail. Might want to bench test the trailer tow battery charge relay. You can also jumper this with a wire in the relay
...relay, and using the diagram below to jumper the normally open contacts. If this works, next is to test the coil operation, which are pins #1 & #2. Pin #1 should be the power from BJB Fuse #7, ...
...socket to see if the ground command on signal from the PCM is coming in. You would need a 12 volt test light to check that. Connect the test light clip to the positive battery terminal, turn the
...Relay. There is a small wire on the Relay which runs back to the Ignition switch. If you put a testlight on the end of this wire and turn the Ignition key to START, there should be a steady ...
...test. Thanks Gehry Your ford should have a schrader valve in the fuel rail for testing fuel pressure. You shouldn't need to remove a fuel line. On the left inner fender there are two, maybe three ...
...relays. Under the control of the GEM, the 4x4 shift motor relay shifts the transfer case shift motor between the 2WD, 4H, and 4L modes. The transfer case clutch relay is an electromechanical relay ...
How can i test the fuel relay on a '88 f150 Test the relay base, if it has everything it is suppose to and the circuit still does not operate then the relay is the reasonable suspect. The base should ...
Question about 1988 F 150
Is there a relay or something? Did you check for B+ voltage at the pump motor ? Do you know how to test before just replacing parts .There is a wiper control module . Don't worry about a relay , your
Question about 2007 F-150
...the relay you will see 4 set's of numbers 30 & 87 are load side of the relay . If you were to test with a voltmeter ,pin 30 would have Battery voltage ,Pin 87 goes to the S terminal on the ...
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