The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

panhandler62 · 10-08-2011, 08:18 AM

There is a lead to the distributor that signals it to spark. I think that is going to be from "B5" on the ECM.

If you find the correct lead you should be able to connect a test light to it. The light should flicker when the engine is cranking.

10-08-2011, 08:18 AM	#2
panhandler62 Java Mechanic Join Date: Jun 2005 Location: Martinsburg, WV Posts: 6,764	Re: 93 350 TBI no spark There is a lead to the distributor that signals it to spark. I think that is going to be from "B5" on the ECM. If you find the correct lead you should be able to connect a test light to it. The light should flicker when the engine is cranking. __________________ Keith 11 Lincoln MKT -- Momma's wagon 13 G37xS -- middle age crazy car 68 C20 Fleetside -- RIP Decorating the whole town up at a cost of $27 ....