diode in wiring harness 05 IQ

timbo2

does any one know the orientation that the 6 amp diode that is in the wiring harness at the IQ controller it is crimped inline the wire color is grey with a white stripe in other words which way does it check current it came in the shop and the customer cut it out so I dont know which way it goes also what function does that wire control the obc????????????

BGW

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Triumph_Tech

I know this is and older thread but I just ran across it searching for info on the same diode. The grey wire in question is connected to the #9 terminal on the controller 16 pin connector. The end with the band is connected to this end of the wire, the other end of that grey wire goes to a junction of several different wires elsewhere in the harness. Both of the connections are hidden from view inside the split loom. I am also troubleshooting a problem with an 05 IQ cart and found this terminal is needed to arm the controller but haven't figured out what function the diode performs and also found it doesn't appear on any of the wiring diagrams I have. I did find an excellent trouble shooting procedure for the Curtis 1510 controller on the FSIP website.