1 brown 2 black. While out for a sunday cruise in my 65 gto i suddenly noticed a serious flutter in the original rally gauge tachometer needle.
08b05a0 1970 Gto Tach Wiring Diagram Wiring Library
Gto hood tach wiring diagram. I am installing a hood tach on my 71 gto. Httpsamznto2rirmf9 thanks for watching. While that may be true wiring systems are still a point of fear and loathing among many restorers of pontiac gtos and other muscle car era machines. I have a reproduction hood tach from about 10 years ago. Tha tach is an aftermarket hood tach that he bought from original parts group kr00152. Basic steps wiring diagram and part numbers used while installing gto hood tach.
The way he has it hooked up appears right for a voltage triggered tach but it does not work. The truth is it. One of the black wires and the brown wire have an eye loop connector at each end. Use the enclosed. That little yellow pointer which has given so many years of. The remaining black wire has no connector.
I think it is year one or opg not sure. I have an msd digital hei kit 8501 installed in my 1970 gto. I bought a 68 gto that has a msd 6al and a 8920 tach adapter. And one of the diagrams on pages 3 4 or 5 being certain to follow the proper diagram for your application. There are three wires 1 2 black 3 black with red stripe answered by a verified classic car mechanic we use cookies to give you the best possible experience on our website. My questions are do i have the right adapter and is there any way to tell if a tach is a voltage or.
The tach has a 3 prong male connector coming from it the female connector i have has three wires. I first tried the low output green wire and then the high output off the side of coil. The lights on the tach work so there is power. I have a 68 gto im trying to connect the hood tach. Up to the negative post on the coil and to the tach terminal on the tachometer without ever using a secondary 12 volt fused. Just a little video i made to help you understand the way a tachometer should be wired.
The wiring systems of the 1964 1974 pontiac gtos are probably closer in complexity to a model t ford than anything currently in showrooms. 1967 gto hood tachometer wiring diagram in addition technical info also 1969 pontiac gto vacuum line diagram in addition ford ranger tachometer wiring diagram in addition 1966 gto wiring diagram as well as 67 gto tach wiring diagram along with 1968 pontiac gto hood tach wiring diagram furthermore 1967 gto horn wiring diagram in addition 69 gto. I wired up tach and it lights up and the needle goes to about middle and moves a small amount when rpms are increased.