Hooking up tach

bobbys9350

New Member

Mar 30, 2005

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Oct 26, 2005

#1

• Oct 26, 2005

• #1

my friend bought one for his 79 chevy truck and it came today. i wanna hook it up temporarily to the stang and mess with it i know where the power and lights go, bt theres 2 other wires, one goes to the coil, where do i pt that? and the other goes to the tach something? where do i put these? thanks!

 

Darkwriter77

Resident Ranting Negative Nancy

5 Year Member

Jul 1, 2005

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Apache Junction, AZ

Oct 26, 2005

#2

• Oct 26, 2005

• #2

Color of wires differs from brand to brand, but as I remember from the one I used to have:

Red - Ignition-switched 12v power source (can use a jumper off your radio fuse, for example)
Black - Ground (duh)
White - Backlighting (switchable with interior lights, I just leave mine to switch on with the ignition)
Green - Coil "signal" wire

 

bobbys9350

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Mar 30, 2005

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Oct 26, 2005

#3

• Oct 26, 2005

• #3

thanks! now just tell me where the signal wire goes!

 

sgarlic

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Apr 21, 2001

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Oct 26, 2005

#4

• Oct 26, 2005

• #4

Negative side of the coil.

 

bobbys9350

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Mar 30, 2005

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Oct 26, 2005

#5

• Oct 26, 2005

• #5

where can i tell which one it is!?!? theres just a harness that plugs into the coil.

 

bobbys9350

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Mar 30, 2005

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Oct 27, 2005

#6

• Oct 27, 2005

• #6

Got it figuired out! Thanks a lot Dark and Garlic!