where are the grounds for the engine?
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 1,110
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From: JUPITER FLORIDA
where are the grounds for the engine?
I have been having my plug wires arc through the insulation lately. I was told today this could be due to bad grounds. I can see the ground for the battery on the back of the block. Where does the block ground to the frame? Would there be any other grounds on the engine that could create this other than the frame ground and the battery ground?
Its a 1986 corvette.
Its a 1986 corvette.
Drifting
Joined: Dec 2005
Posts: 1,309
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From: Woodstock Georgia
Originally Posted by cplonner
replaced them and everything is perfect!
Large Impressive Member
Joined: Jul 2003
Posts: 65,811
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From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
Originally Posted by cplonner
car has no spark today, how about those grounds? Looked at the wiring havent found anything so far, going to keep looking.
What grounds could effect this?
What grounds could effect this?
I once bought a very old Dodge pick-up that had been owned by a friend's dad. He was a mechanic and drove that truck for years until he died. I never saw so many grounds on one vehicle, he'd put them everywhere! And I thought that I tended to overkill things. You know what though? I drove that old beast a good number of years myself and never had much trouble out of it. I even made two round trips to Ohio in it with no issues, and the truck was about 30 years old by then. Nothing like buying a vehicle owned by a fellow old hard-headed mechanic.
Race Director
Joined: Sep 2000
Posts: 17,298
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From: The Top of Utah
When the wires were arcing. where did the spark go? The engine? That is the same ground the spark plugs use. Are the wires actually acing? Or are you seeing the corina glow that is natural and acceptable?
RACE ON!!!
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 1,110
Likes: 0
From: JUPITER FLORIDA
ok I figured out it has no spark becauser the ignition wire is bad, when I bend and move it the engine will die or when the voltmeter reads on the batt. connection coming from the dist less than 7 volts, it needs at least 7 says my manual (haynes). Gotta do some wireing tommorwo
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Melting Slicks
Joined: Aug 2006
Posts: 2,191
Likes: 243
From: Guelph Ontario
Back to the orginal question. I also have an 86 and was not getting a very good ground to engine from installing my stereo. Found on the Driver side of motor the ground strap had not been reconnected from engine rebuild that spring.
Drifting
Joined: Mar 2002
Posts: 1,251
Likes: 2
From: Thomson Georgia
There are several grounds in that location. In older years, that was where the pivot ball for the bellcrank was. Make sure those are tight, seems like there were 4 ground wires on the last one I pulled.
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 1,110
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From: JUPITER FLORIDA
Originally Posted by CFI-EFI
Since you have no spark, what is arcing?
RACE ON!!!
RACE ON!!!
The arcing was fixed by replacing the plug wires.
