Fitting a Redarc TowPro to a GUIV

[Yeti's Beast]

One thing I wish I had of purchased was the universal panel mount kit
https://www.ebay.com.au/i/292106051078
Could of made installation so much easier



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[Big Girl]

I removed my TowPro from my retired Patrol (Thelma) and installed it into my newer Patrol (Big Girl). It worked fine for over a year, then the blue light faded and stopped altogether.

We upgraded to the Elite TowPro: just pulled out the old one and replaced the unit and the dial (different plug...) and plugged the original wired plug into the new TowPro. It doesn't light up at all.

Really don't want to have to rewire it. Have checked voltage (power in and power out) all good on the old plug. Any ideas from our sparky guru's???

[mudnut]

I removed my TowPro from my retired Patrol (Thelma) and installed it into my newer Patrol (Big Girl). It worked fine for over a year, then the blue light faded and stopped altogether.

We upgraded to the Elite TowPro: just pulled out the old one and replaced the unit and the dial (different plug...) and plugged the original wired plug into the new TowPro. It doesn't light up at all.

Really don't want to have to rewire it. Have checked voltage (power in and power out) all good on the old plug. Any ideas from our sparky guru's???

If two units failed then check the common elements. Trailer plug, *earth* to chassis, plug and trailer, brakes on the trailer, and the wiring loom to both. especially the earths.

[Big Girl]

If two units failed then check the common elements. Trailer plug, *earth* to chassis, plug and trailer, brakes on the trailer, and the wiring loom to both. especially the earths.

It's earthed back to the negative terminal on the battery. Must it earth to the chassis as well?

[mihit]

It's earthed back to the negative terminal on the battery. Must it earth to the chassis as well?

Negative terminal should be fairly solidly bonded (earthed) to chassis.

I'd check for continuity between any "hot" wires and earth/negative... a wire may have rubbed through or shorted out somewhere along the line. Though, fuses should blow before computers cook...

[mudnut]

If it is a good connection, then that is enough but it is always good to have extra earth cables in the system. I have ran a short cable from the socket to the rear bumper on my GQ. Since doing that, I've had a lot less problems with the trailer and vehicle lights. I also ran a couple of earths from the body to the chassis.

You need to check all of the wiring, and do away with any scotch locks. (those plastic connectors that you just place the cables in and squash them shut. They are prone to failure). Replace them with either soldered joints or properly crimped lugs or joiners.

[Big Girl]

We reinstalled the original unit and it 'woke up'. Seems it was in sleep mode. Just needed to threaten it with replacement! An easy fix for a change.