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1991 Ford F-250 ignition problems

Tiny
CYNCER
  • MEMBER
  • 1991 FORD F-250
  • 5.9L
  • V8
  • 4WD
  • MANUAL
  • 139,000 MILES
My truck runs like a champ. This morning I went to start it and it would just turn over. No spark. I went back in the house when I tried again it started and ran fine only the heater and turn signals did not work. Also only one head light unless I turned on the brights. Ran fine all day. The next morning It wouldn't start again. Any help would be appreciated.
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Friday, December 13th, 2013 AT 9:48 AM

2 Replies

Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
When this happens check the negative terminal of the coil to see if it's pulsing/getting a ground trigger signal, also take off the cap and look at the stator, if it's black and soft replace it! If you are getting a ground trigger signal and your coil is getting 12 volts as well you will need a coil. Most common failures are TFI module (side of distributor). Stator, coil.
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Friday, December 13th, 2013 AT 11:34 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
For turn signals and headlights check your multi function switch it may not be sending current through it.
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Friday, December 13th, 2013 AT 12:32 PM

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