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Can't get Timing Light reading

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Old Oct 16, 2001 | 11:40 AM
  #1  
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MikeAntoniak
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Can't get Timing Light reading

Anyone ever run into a problem like this

Can't get a reading on a timing light to adjust timing on my 1973 Ford truck. 240 straight six engine.
New timing light works well on other cars. Even tried powering light from other car battery, using plug wires that gave me readings on other cars.

Truck started running rough, losing power while driving and idling very rough. Checked carb, points, top dead center on #1 plug, then thought maybe adjustment by a timing light would get it right.

Any ideas why I can't get a timing light reading, or the logical progression of where to look from here?

Thanks.

Mike
 
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Old Oct 16, 2001 | 01:31 PM
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Can't get Timing Light reading

Maybe you're not getting a signal to cylinder #1. I'd try #2,3,4,5,6 just to verify a working gun and setup (not to set the timing).
 
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Old Oct 16, 2001 | 01:48 PM
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Can't get Timing Light reading

could be bad wire on #1 cylender, or bad distributor cap.
 
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Old Oct 16, 2001 | 02:25 PM
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Can't get Timing Light reading

tried all the wires, even coil wire but no light, although it works fine with other vehicles.

Thanks
 
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Old Oct 16, 2001 | 04:43 PM
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Can't get Timing Light reading

Probably poor induction through the wires' insulation then (since it does run).
 
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Old Oct 16, 2001 | 08:16 PM
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Can't get Timing Light reading

 
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