Expert Answers about Pontiac Montana

• Problems With Trailer Light Functions Using Curt Wiring Harness C55355 on 2001 Pontiac Montana
• Thank you for detailing your considerable efforts to troubleshoot the trailer lighting malfunctions you are experiencing with your 2001 Pontiac Montana equipped with Curt Tail Light Converter # C55355. Since you have tested the trailer with other vehicles and it has worked properly then the trailer would seem to have been eliminated as the source of the problem. Still, I suggest you check your trailer manual to confirm how much current is drawn by its lights. Curt T-Connector Harness #...
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• Trailer Running Lights Not Working and Other Lights are Dim on Trailer Towed by 2001 Pontiac Montana
• Since the trailer lights work fine on a different vehicle, I would start looking at the trailer connector on the 2001 Pontiac Montana. If there is any corrosion build up inside the connector, then that can cause a poor connection and cause the issue you are describing. If the vehicle side connector is cleaned out, you can go on to testing the converter itself. Start by testing the wiring going into the converter from the vehicle using a circuit tester like # PTW2993 if needed. If the wiring...
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• 2000 Pontiac Montana With Insufficient Voltage for Turn Signal/Brake Lights at Trailer Connector
• It sounds like you have the ground taken care of. Are you using a tail light converter? Part # C55355 is the converter offered for your vehicle. The factory does provide the port for the towing wiring, but a converter is still needed. If you have a converter installed already, I would recommend testing the wires on the input side of the converter. You should have 12-volts entering and exiting the converter while each function is activated.
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• Troubleshooting Jayco Popup Camper Brakes and Tail Light Turn Signals
• Your trailer light functioning sporadically and the lack of function at other times leads me to believe there is a power issue. It sounds like there is a ground connection issue, but it could also be that there is a power supply issue. I recommend testing your wiring using an incandescent circuit tester like # PTW2993. Some testers will utilize LED lights that don't draw the same power as incandescent bulbs so they may give you a false reading on power. Double check the ground on your...
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