Rear park lights not working.....

Hi Guys

Have a 2002 GU III Wagon with a transplanted TD42TDi. The engine loom and dash loom are from the donor 2004 ST-L.
All electrics have been functioning correctly for over 12 months, but now I have only half the parkers working.

The front parkers work as expected but the rear parkers and number plate lamp do not work when switched on.
The combination switch on the column operates correctly, the 10A fuse in the dash fuse box is intact and the bulb units are earthed. The rear brake lights and indicators work fine.
The connectors in the kick panels appear connected.
Don't know where to look next - need help.
Thanks.

G’day FS Mate!
Personally are electrically challenged but have heard and read that trailer socket connections on our twucks and their wiring have apparently been known to cause sneaky annoying headaches possibly?


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My guess is that the connector for the rear hasn't been fully pushed in and clamped. On a GQ there is a big connector under the passenger seat. Not sure if it is on a GU. If there is a connector there then it would be a good testing point .

hi sometimes the globes develop a flat spot on the lead base, worth checking imo