HEI Conversion Wiring Question

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Jul 28, 2005 | 09:27 AM

OldSchool

Thread Starter

Pro

Joined: Mar 2003

Posts: 553

Likes: 1

From: Valparaiso IN

HEI Conversion Wiring Question

I am converting from points distributor to HEI and know that I can't use the points resistor wire for my HEI. Where is the best place to tap for 12v power for the HEI?? Horn Relay? Any particular lug?
Thanks in advance..I'm getting close to firing this guy up!!!!
Steve

Jul 28, 2005 | 09:30 AM

pws69

Melting Slicks

Joined: Nov 2001

Posts: 2,668

Likes: 43

From: Eastern US XX

Quote:

Originally Posted by OldSchool

Horn relay is HOT all the time, so not suitable for Ignition.

I ran a wire to the fuse block plug labeled IGN for mine - this is switched and works fine.

Jul 28, 2005 | 12:56 PM

markdtn

Le Mans Master

Joined: Aug 2003

Posts: 7,720

Likes: 12

From: Chattanooga TN

Just replace it where it comes through the firewall plug. The resistance wire is on the engine side, not the dash side.

Jul 28, 2005 | 05:49 PM

68/70Vette

Team Owner

Joined: Jul 2004

Posts: 40,412

Likes: 792

From: Redondo Beach, California

One of the wires that goes to the windshield wiper motor is a "switched hot" wire; i.e. the wire is "hot" when the ignition switch is turned on. Someone posted a message about this. My recollection is that it is a yellow wire. Anyhow, switch on the ignition and probe the windshield wiper motor wires.

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