Help Needed, No Spark - The 1947 - Present Chevrolet & GMC Truck Message Board Network

blown240 · 02-01-2011, 05:59 PM

My 66 Suburban just got towed home. I drove it to a buddies this morning and it was fine. Go to leave and it wont start. Its got fuel put no spark.

Spark was weak at first, so I replaced the points and condenser with a Petrinox. I also put a new petronix coil in. Then I had no spark at all.

I checked the ignition switch, and it has continuity and 12v going in. At the coil + I only have 6 volts. Plus for a while it wouldnt crank, now it will. I found a broken yellow wire at the coil +. But with it attached it still wont start, so mayke that wire was cut on purpose.

Battery is on the charger. Its a 305 V6, with a 2 bbl.

Any ideas?

02-01-2011, 05:59 PM	#1
blown240 Registered User Join Date: Jan 2011 Location: CA Posts: 772	Help Needed, No Spark My 66 Suburban just got towed home. I drove it to a buddies this morning and it was fine. Go to leave and it wont start. Its got fuel put no spark. Spark was weak at first, so I replaced the points and condenser with a Petrinox. I also put a new petronix coil in. Then I had no spark at all. I checked the ignition switch, and it has continuity and 12v going in. At the coil + I only have 6 volts. Plus for a while it wouldnt crank, now it will. I found a broken yellow wire at the coil +. But with it attached it still wont start, so mayke that wire was cut on purpose. Battery is on the charger. Its a 305 V6, with a 2 bbl. Any ideas?

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