Question about 1988 Ford F 150

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Electrical starting problem, 1988n ford f150 4.9 ltr. I keep getting secondary Ignition. I brunt one starter out already changed it & the starter relay switch , checked ignition switch [o.k], checked Ignition Module seems to be o.k but everytime I connect positive battery post cable smokes & sparks @ post & 2ndary Ignition . could I have a short @ the relay switch, open circuit crossed wires ?[ does it with no key in the ignition] or is it the ignition module? I cant Test it without connecting the Battery & it Sparks, cant do that. this is drivinng me Crazy T.u

Posted by Anonymous on

  • kelly
    kelly Aug 25, 2017

    check starter wires grounded hot wire check voltage reg. tap with screwdriver

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  • Ford Expert
  • 311 Answers

Use ohm meter to check ground to pos cable to starter If 000 check for ground wire on starter it should go to starter bolt. voltage reg stuck open Unplug ignition module check battery if still sparking not module.

Posted on Aug 25, 2017

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6ya6ya
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Posted on Jan 02, 2017

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Bamm88
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SOURCE: '72 Ford F100 will not start...

are you getting spark to the spark plugs? you could have a separated wire that looks fine on the outside and not allowing current to the coil

Posted on Jun 25, 2008

  • 114 Answers

SOURCE: Need a wiring diagram for a 1969 Ford F250.

there should be a slot for each wire on back of ignition play with them till you get it right cant hurt anything

Posted on Jan 14, 2010

dj_relly999
  • 4070 Answers

SOURCE: Bronco will not start. Battery will discharge.

Hi and welcome to FixYa!

Looks like everything has been replaced. This should be starting and running by now. I do suspect one thing why it would not start. The flywheel may have been worn out due to old age. One good reason why the battery drains out. The starter just slips on the flywheel that's why the engine won't turn.

Please have a good look on the flywheel and replace if necessary.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Dec 10, 2010

  • 5546 Answers

SOURCE: new ignition switch, new starter, still wont crank. relays ok.

It sounds like the safety switch located on the top of your Brake pedal is broken or knocked out of place. This switch sends a signal when the brake pedal is pressed and often shows up by you having no Brake lights when the pedal is pressed and verifies a malfunction.

There are several coordinated alignments as the gearshift release is also part of the system. The brake pedal switch is a common problem.

Posted on Mar 26, 2013

  • 122 Answers

SOURCE: no start, no crank

do you hear a click if you do its probably your starter cylinoyed if it works when you jump the wire you are bypassing it hope this helps pat

Posted on Nov 22, 2013

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