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#1 |
cracker
Join Date: Sep 2001
Location: Wilmington, NC
Posts: 1,021
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tach wiring ??
on the back of the factory tach, there are two prongs for wires, one i am sure is for the ground, the other goes to the distributor, My question is which one goes where, or does it matter? for reference purposes lets refer to the the drivers side of the panel as you looking at it sitting in the truck, and the passenger side. other wise, post a pic possibly. thanks for the help HJ
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FOUNDING MEMBER OF THE DRUM BRAKE CLUB Harry John Albert III located in Phoenix, AZ 1972 GMC JIMMY, 1969 lwb Chevy Frame, 1999 bmw k1200 ltc 1992 Kawasaki concours 1991 bmw k75 1973 cortez motorhome |
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#2 |
Registered User
Join Date: May 2000
Location: Frankfort, Kentucky, USA
Posts: 2,163
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One should go to the distributor and the other says 12V so it should plug to your fuse box. Then I don't know bout ground.
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'69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks |
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#3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Here you go...
One to the coil, the other to IGN UNFUSED terminal on the fuse box. Everythign you see there that is metal is (supposed to be) a ground. If there is a bad ground, your dash lights won't work, nor your fuel guage, and your blinkers would do real funny things. |
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#4 | |
Hot Damn - Here I Am!!
Join Date: Feb 2000
Location: Ringgold, Georgia
Posts: 726
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Quote:
Robert
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My vehicles: '90 Silverado Sport '71 Chevelle SS Convertible '70 C-10 - My Grandfather bought it new - original un-restored |
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#5 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Robert, that is 100% correct.
I don't know how I failed to say that... ![]() |
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#6 |
cracker
Join Date: Sep 2001
Location: Wilmington, NC
Posts: 1,021
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im asumming that if i hook up that wire to the "spot marked tach" on my hei dizzy, that it will work, unless im going bonkers, that is my negative side, but i appreciate the help, the pic was most informative thanks again
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FOUNDING MEMBER OF THE DRUM BRAKE CLUB Harry John Albert III located in Phoenix, AZ 1972 GMC JIMMY, 1969 lwb Chevy Frame, 1999 bmw k1200 ltc 1992 Kawasaki concours 1991 bmw k75 1973 cortez motorhome |
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#7 |
Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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HJAlbert,
I hooked mine up last night in the way that you mention. It matches the hand-held tach exactly up to 1500 RPMs. Then it seems to hit a brick wall. What has your experience been? Did this work for you? Perhaps my tach is bad. Brian |
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