When I say "heat up" I mean after the forklift has been driven more than 10 minutes.
Since the PMT appears right away now, that will help you find the defective part.
There are 2 bolts with 1 cable each that are attached to the 1 REC.
1 Bolt will show full battery volts, the 2nd bolt will show half battery volts.
You'll need to test both Bolts for battery positive, stick your Negative meter lead into a Negative cable and test for Positive volts at those bolts.
Let me know....
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