Question about 1988 Ford F 150

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1988 Ford F-150 iginition problem

I have no power going to the solenoid and I have no power going to the clutch safety switch. Do not know how to test starter switch?? I have power coming in on the 2 yellow wires, but no power anywhere else. Can start only by jumping the solenoid. Please help!!

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  • okgarro Dec 30, 2008

    Yes, I have 2 yellows wires that go into the ingintion switch that have power. Having problems getting power from the ingintion switch to the clutch safety switch. And there is no power at the colenoid. But with key on I can jump the solenoid and the truck runs fine and shuts off with ignition switch.

  • SETERSTROM Dec 31, 2008

    THE TRUCK DOSE HAVE POWER TO COLENODE BUT WILL NOT START AND HAVE NEW KEY IGNITION

  • gloryrglory May 11, 2010

    When you say test starter switch do you mean ignition switch?

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Its goi to be your Solenoid Switch is bad i had the same problem with my truck

Posted on Jan 17, 2009

  • farmmer00020 Jan 17, 2009

    that means the Solenoid Switch is bad it happend to me

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My 2000 ford f150 won;t start .i replaced the neutral safety switch, it started fine for a while but wont start now. i have to bump start.is there a relay in that circuit?


THERE IS A STARTER SOLENOID LOCATED UNDER THE HOOD ON THE RIGHT FENDER WELL. CHECK TO MAKE SURE YOU HAVE BATTERY VOLTAGE ON THE LARGE RED WIRE ON THE LEFT SIDE OF THE RELAY. IF SO USE A TEST LIGHT ON THE SMALL TERMINAL, YOU SHOULD HAVE POWER TO THIS WIRE WHEN HELD IN START POSITION HAVE SOMEONE HOLD THE KEY IN START WITH CLUTCH PEDAL DEPRESSED WHILE YOU CHECK FOR VOLTAGE AT THE RELAY WITH A TEST LIGHT. IF YOU HAVE POWER THEN THE SOLENOID IS BAD

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Wont start can jump solenoid and it srtarts every time


Check for power at the small wire of the solenoid during cranking position on the ignition switch. Could a bad ignition switch( not lock cylinder ) or a starter safety switch either neutral safety or clutch disengage switch, depending on trans type.

Jul 03, 2014 | 1989 Ford F 150

1 Answer

1988 ford f150 starting problems


If the problem is the starter won't crank the engine over, check the small wire at the solenoid (the one from the ignition switch). It should have power when the key is held in crank. If no power there, trace the signal back to the ignition switch-check the neutral safety switch-at the clutch pedal-or the park/neutral switch on the transmission, if automatic. Check if the ignition switch has power out of it on the start wire with key in crank. Use a voltmeter or testlight for checking.

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I have a 1995 ford f50 that will not start with the key. Replace ignition switch, clutch interlock safety switch, starter relay on the passenger fender. I can manually jump start by crossing the pole s at...


Check the small wire going to the starter relay. It should have 12V when the ignition is in the start position. If it doesn't, you either have a bad igntion switch or a wiring problem from the switch to the relay. If you don't have a volt meter, you can use a 12V test light. Let me know if you need more help.

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Push cluch in wont start


I'm not thoroughly familiar with your vehicle, but many vehicles have a neutral safety switch that prevents starting when the clutch is engaged and the vehicle is in gear, and that switch can go bad. Assuming you've already ruled out the more common problems, such as battery, starter, cables, and ignition switch, you could check to see if this safety switch has gone bad. Testing requires locating the switch and using an electrical meter to test the connections and the operation of the switch itself. Bring it to a shop if you are not familiar with these procedures. These switches are relatively inexpensive to replace.

Nov 25, 2010 | 1988 Ford F 150

1 Answer

Turn key to start and it wont start, just makes a clicking noise under the dash. Battery is full charged, I've changed the starter selnoid.


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Oct 06, 2009 | 1988 Ford F 150

2 Answers

Wont turn over with key?


W/out knowing details on your vehicle, it makes it very difficult to help. Year? Stick or auto>? engine/trans info. Does it have an alarm installed or a factory security system?

Common checks would be park/neutral switch (Or clutch switch if its a stick), fuses (some cars actually fuse the start signal), old alarm brain that has activated and cut off starter signal, and do the cluster lamps go into SELF TEST and all light up when you turn the key to CRANK. If the lamps do the normal cranking bulb check, then likely your ignition switch is working. depending on the year, ford ignition switches sometymes could be a common problem. But without info to look up a diagram, cant offer more help than generalities

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1 Answer

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Replace the starter solenoid, I have a 1985 F-150 and did the same thing, it worked, but if it didn't, I was going for the ignition switch next.

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2 Answers

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The switch is located at the top of the clutch pedal assembly, above your feet. Its a little cramped, but its a simple dc two wire switch, you should be able to check it with a meter for power and to see if the switch does indeed need replacement. If thats the problem, when you see the new switch, you'll know it goes in, very easy. good luck

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