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80' HEI Distributor, where is the tach lead?

3GenMuncie4

Member
Joined
May 12, 2007
Messages
10
Location
Findlay, Ohio
Corvette
1980 Yellow Coupe
I have a 1980 coupe with HEI ignition and there is a white wire with connector on the end of it coming from the negative side of the distributor, which is where the tach plugs in, but there I can't see another wire that would connect to it.

Where is the tach lead located that comes out of the firewall?

Just got my Vette and its a fixer-upper, so any help would be appriciated.

email: PyroManiac350@hotmail.com
 

Evolution1980

Well-known member
Administrator
Joined
Feb 25, 2002
Messages
4,302
Location
Cleveland, Ohio
Corvette
ZZ4, 700R4, Steeroids rack & pinion, VB&P Brakes
Hey 3GenMuncie4, welcome to the :CAC

I don't know the answer to your question, but within the next couple of days, possibly even today, someone will chime in with the answer!

Be sure to stop over in the new member introductions forum and introduce yourself! Since your car is a fixer-upper, you'll likely be in these forums a lot asking questions and getting solid answers. The CAC is in my opinion (and I may be a weee bit biased) the best place for getting knowledgeable and friendly answers to all things Corvette.

Again, WELCOME!!! :beer
 

wishuwerehere82

Well-known member
Joined
Sep 6, 2003
Messages
2,314
Location
Rochester, NY
Corvette
Red '82 Coupe,Sebring Silver '98 Coupe
I have a 1980 coupe with HEI ignition and there is a white wire with connector on the end of it coming from the negative side of the distributor, which is where the tach plugs in, but there I can't see another wire that would connect to it.

Where is the tach lead located that comes out of the firewall?

Just got my Vette and its a fixer-upper, so any help would be appriciated.

email: PyroManiac350@hotmail.com
On my 82 there is a ballast resistor bolted on the intake manifold that couples the tach lead from the distributor to the wiring harness to the dashboard. If that's any help.
 

Twin_Turbo

Well-known member
Joined
Jan 11, 2001
Messages
618
Location
Enschede, The Netherlands
Corvette
1982 Twin Turbocharged Red/Black
that's a capacitor, a signal filter, not a ballast resistor.
 

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