Electronic spark control will use the tach port. It usually will have a short piggyback empty plug you can use for the tach signal.
If it does not, you can add the piggyback jumper.
There is a round plug like this next to the firewall under the brake master cylinder.
Then another plug like it at the rear of the bed. There is no ground in that plug, the light assembly grounds to the body. Sometimes the rust between the body and the frame, the body looses it's ground. No...
Kirk welcome to the forum. Your 1973 and some 1974 square body trucks are the only one's that had point distributors. All newer SB light duty trucks have a GM HEI.
Well if you have lights, (always hot) and you have wipers, (accessories) then you probably do not have a burn fusible links. The ignition switch low on the column is connected by a rod to the key cylinder. Tilt column has more parts. The ignition switch is adjustable. The rod may not be moving...
Looking at this picture, is it possible a previous owner carved a bushing to fill the tapered hole?
Back in the day, some of the aftermarket heavy duty stabilizers were not available to fit the GM tapered mount. Look close at the tie rod hole to see if it has a bushing. Years ago, when I...
You may be right about the later model squares. The utility company I worked for stop buying GM trucks in the 1980's. Lord knows I give thanks for Fords. Always something to fix.