Hooking Factory Tach to HEI - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1971ChevyTruck · 04-02-2008, 04:04 AM

Anything special I have to do to hook the factory tach to a HEI??

red71cheyenne · 04-02-2008, 04:15 AM

Nope, pink wire goes to a terminal in the fuse box, hot while running and the brown goes to the TACH terminal on the HEI. Easy stuff.

04-02-2008, 04:04 AM	#1
1971ChevyTruck Registered User Join Date: Jan 2005 Location: Illinois Posts: 1,006	Hooking Factory Tach to HEI Anything special I have to do to hook the factory tach to a HEI??

04-02-2008, 04:15 AM	#2
red71cheyenne Back in the sticks Join Date: Jan 2001 Location: Fordland, MO Posts: 3,188	Re: Hooking Factory Tach to HEI Nope, pink wire goes to a terminal in the fuse box, hot while running and the brown goes to the TACH terminal on the HEI. Easy stuff. __________________ 1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty



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