Quote:
Originally Posted by radioman
That suggests the solenoid contacts may be welded together and you may not hear a click. Welded contacts may not keep this cart from working. Before you start the trouble shooting chart diagnosis routine suggest you make this measurement. While the cart is in working mode measure the voltage between pins 1 and 2 (black and white wires) on the six pin connector on top of the controller as you press the pedal. This is the signal coming from the Inductive throttle sensor (ITS) through the Molex connector and wiring that was originally suspect. You should measure around 2.5 volts no pedal and increase as pedal is pressed. When the cart is not working repeat this measurement. It is hard to troubleshoot for this intermittent problem when the cart is working.
My first cart was very similar to yours. I had the same symptoms as you are having. This is why I came for help here on BGY forums 8 years ago. My problem proved to be the Molex connector was corroded and the ITS proved intermitter. That old cart was a real work horse when it was working.
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I know this is getting to be a long thread, but yesterday I posted that I had eliminated the Molex connector, and replaced it with butt-splices and heat shrink. I also included a picture in that post.
The golf cart did not run yesterday, and after I replaced the Molex connector it still did not run…but it worked fine this morning, and is still working. Very difficult to troubleshoot indeed.