914 NO start issue, Where to start?? Options

[NC_Colfax]

OK I just brought my 914
It's a 73 that has been converted to electronic ignition and a MSD box and MSD coil.

The PO wired in a bypass start switch(button) that was used to start the car. Well car had been doing fine but last couple days you hit the button and all you get is a click sound. I can see it pull voltage on the voltmeter in the center console. I installed a new high dollar battery in case I was not getting enough voltage....still nothing.

Were do I start?? Ground....Wiring...Starter. I really want to drive to car while we have good warm weather.

Thanks 914 World

[john rogers]

I would do the following:
- Check the switch resistance after unhooking the wires to make sure it has 0 resistance when in start position.
- Check where the wires for the switch are wired into the electrical system to make sure they have not started coming apart.
- Clean the switch terminals and lugs or how ever the wires are hooked to the switch.
- Check the wires at the starter, the large one that goes on the lug at the top that is nearly impossible to see. Clean the lug and wire connector.
- Check the huge wire from the battery that is bolted on, remove it and clean the lug and wire brush the stud.
- Check the ground strap from the tranny to the body, clean as necessary.
- Check both lugs at the batt and clean the lugs and the lug where the batt ground strap attaches to the body.
- Pull the starter to have it tested.
You can test the starting after each step which is what I would do.