Pontiac Hood Tach Wiring Diagram

The tach has a 3 prong male connector coming from it the female connector i answered by a verified pontiac mechanic.

Pontiac hood tach wiring diagram. Collection of 1969 firebird wiring diagram. I think it is year one or opg not sure. I am installing a hood tach on my 71 gto. I have an msd digital hei kit 8501 installed in my 1970 gto.

Install the wire clip from the base into the cap. For that reason pontiac fused the tach lead circuit on their tach harnesses with a 1 amp in line fuse. 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. The wiring systems of the 1964 1974 pontiac gtos are probably closer in complexity to a model t ford than anything currently in showrooms.

It shows the parts of the circuit as simplified shapes as well as the power and signal links in between the tools. The hei will only accept an electronic tachometer install the tach wire to the tach terminal indicated on the cap. If your car has a factory tach aaw recommends that you purchase and install the correct tach harness for your application as noted below. I have a reproduction hood tach from about 10 years ago.

Just a little video i made to help you understand the way a tachometer should be wired. These pontiac factory tachs were offered in both hood and in dash design configurations. A wiring diagram is a simplified standard photographic representation of an electrical circuit. Flemings ultimate garage 64 692 views.

I first tried the low output green wire and then the high output off the side of coil. 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. I have a 68 gto i m trying to connect the hood tach. The truth is it.

I wired up tach and it lights up and the needle goes to about middle and moves a small amount when rpms are increased. Install the cap making sure all three leads black ground wire is easy to forget are in the cap receptacle. 69 pontiac gto judge for sale with test drive driving sounds and walk through video duration.