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Ignition issue

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Old May 11, 2014 | 05:45 PM
  #1  
Colo76F150SC's Avatar
Colo76F150SC
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From: Thornton Colorado
Ignition issue

76 F150...360...4sp...2wd...Supercab...Breakerless Duraspark ignition.
Yesterday started and ran fine as usual...gotta love old Fords.

Wet and snowy this morning...went out to start the truck...wont start.

Removed dizzy cap...checked for rotation, good. Checked for spark( screw driver to block) spark from coil wire was strong and consistent but ZERO SPARK from the plug wires...cleaned cap points as they were carbonized...still no spark from plug wires...checked with screw driver to block on both banks.

Cap and rotor problem? Wires?

Thanks in advance.
 
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Old May 11, 2014 | 06:35 PM
  #2  
fmc400's Avatar
fmc400
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From: Austin, TX
Club FTE Gold Member
No spark at all from any of the plug wires? If so, sounds like the rotor is bad. A new cap and rotor are cheap enough that you won't be out much if you replace them just for kicks, yet they end up not solving the problem. That's especially true if they're old enough that they need to be replaced anyway.

Open wires or too wide of plug gap would be another explanation, but not all eight at once. Again, this assumes you tried more than one plug wire.
 
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Old May 11, 2014 | 07:48 PM
  #3  
jason77F250's Avatar
jason77F250
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Joined: Jan 2014
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From: Littleton, CO
Originally Posted by Colo76F150SC
76 F150...360...4sp...2wd...Supercab...Breakerless Duraspark ignition.
Yesterday started and ran fine as usual...gotta love old Fords.

Wet and snowy this morning...went out to start the truck...wont start.

Removed dizzy cap...checked for rotation, good. Checked for spark( screw driver to block) spark from coil wire was strong and consistent but ZERO SPARK from the plug wires...cleaned cap points as they were carbonized...still no spark from plug wires...checked with screw driver to block on both banks.

Cap and rotor problem? Wires?

Thanks in advance.

I can't believe it's friggen May and it's been snowing ALL damn day....
 
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Old May 11, 2014 | 07:51 PM
  #4  
Jklnhyd's Avatar
Jklnhyd
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Joined: Sep 2013
Posts: 2,595
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From: Pasadena, Ca
Yeah, enjoy it. It was 84 degrees today, going to be 100+ this week...
 
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Old May 11, 2014 | 08:23 PM
  #5  
Colo76F150SC's Avatar
Colo76F150SC
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Posts: 31
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From: Thornton Colorado
Nice...database error after writing a long detailed post...pisses me off.

Anyway guys...I replaced the wires, cap and rotor and all is good in the world again. Started right up...adjusted the dizzy spin and idles perfect. Thanks again to all at FTE.
 
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