My engine has no spark

Tiny
ABC1234
  • MEMBER
  • 1979 CHEVROLET SILVERADO
  • 65,000 MILES
There are two hot wires not connected. Could they be the problem and where do they go? The engine I'm trying to run is an 86 350 from a full size chevy van. It's got compression fuel going to the carb new plugs and pretty much everything else. The distributor is older but I was told it still functions. There are two wires that I found out today are hot but I don't know what they connect to. The first one comes out of a harness that connects to the distributor cap from somewhere in the cab and the other wire runs up by the alternator where by where you plug in the f and r wire harness near the battery terminal. I'm not sure what the wires hook to.
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Sunday, February 26th, 2012 AT 1:14 AM

3 Replies

Tiny
RASMATAZ
  • MEMBER
The wire that goes to the dizzy cap is it red or pink color? If so that's the power wire for the primary circuit of the coil
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Sunday, February 26th, 2012 AT 1:22 AM
Tiny
ABC1234
  • MEMBER
Yeah it's a pink color. I figured the wire was to power the distributor. It plugs into the cap but there's another wire that runs off that.
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Sunday, February 26th, 2012 AT 1:52 AM
Tiny
RASMATAZ
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That's probably the Tach wire
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Sunday, February 26th, 2012 AT 1:57 AM

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