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Old 05-08-2017, 12:33 AM   #6
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
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Re: 69 c10 no spark new distributor.

Quote:
Originally Posted by marco69c10 View Post
What do you mean grounded to the manifold? Are u saying run the ground from the distributor to the manifold?
The distributor has to be grounded to the engine block to complete the circuit for the current to get back to the battery. It would be pretty rare for it not to be, because it goes through the intake manifold and meshes with the cam gear, and the distributor hold down is bolted to the block. The distributor base sits on a gasket and if the manifold has a lot of paint on it, it might insulate the hold down clamp. Just use a light or continuity meter, and check between the distributor body and the engine block to a bare spot, for zero ohms to rule that out.

Did you run the jumper yet?
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