Recent content by Keith Hennessee

Further to my last posting, I called MSD TECH SUPPORT. I described the wiring diagram and the tests I had made to confirm that it was correct for my car. I asked if it would harm the MSD 6AL unit to connect the two wires, one from the Tach through the resistor, and the other supplemental...

This is extremely helpful. I am ingoing to let my lift down so I can check the chassis number. I will also check if there is any reference to RVI or RVC on the face of the tach. The wiring diagram you attached matches the one in my workshop manual, but the components have different numbers...

Did the Electronic ignition system you used have a separate wire to the positive terminal of the coil? I am in the process of trying to hook up a 6AL MSD electronic ignition to the existing wiring in my 1970 3500S. Thanks in advance . Keith