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Re: Help with underhood harness on a 71 C10
Right- Transmission Controlled Spark. It prevented vacuum advance until the engine was warm enough and the trans was in high gear. It looks like the harness has been chopped off. You can remove it or just ignore it. How is your vacuum advance connected to the vacuum source?
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~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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