Quote:
Originally Posted by fall flight
Thanks JohnnieB! the 18.9V was with the pedal up per the service manual. How do you test the connections on a FNR? the studs/bolts are tight and the cables are brand new...Should I replace it? checked the connections at the bolts nothing looks burned?
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Okay, you got 18.9V at Step 37 of the troubleshooting tree. That failed the test (Should have been Pack voltage less 0.5V to 2.5V), so you would have been directed to Step 38 and then to other half dozen or so steps and eventually found the missing voltage.
Attached is a drawing Scottyb put together that shows how to test the F/R switch with an Ohmmeter
Note: You have to remove the cables to test the F/R switch or you blow up your Ohmmeter.
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If it has never been replaced, the F/R switch has seen 16 years of use and you are now using a 400A controller, so upgrading to a heavy-duty F/R switch wouldn't be a bad idea.
http://www.cartsunlimited.net/F_R_Switch_Upgrades.html