Thread: 03 D2a TD5 automatic transmission - intermittent reverse lights

Well done

Originally Posted by twr7cx

I put a 30A Narva relay into the circuit for the reverse lights. There's plenty of room inside the centre console be



Tapped into the power output from Fuse 25 for the relay's power (30).
I cut the original reverse light circuit wire post the XYZ Inhibitor Switch to act as the relays trigger (86).
The relays output (87) goes into the original reverse lighting post the XYZ Inhibitor Switch.
For the relays earth (85) I tapped into the common earths under the centre console for the power window switches etc.

Using the relay has taken the amp load off the microswitch inside the XYZ Inhibitor Switch and my reverse lights are now reliable again.

Given that both the two Inhibitor switches that I have here, one a genuine one and one an aftermarket, shows signs of additional wear on the reverse circuit (the only one in it with such a high amp load), I suspect that similar to the front headlights the Land Rover engineers designed the power circuit to put all the power load through the switch which does seem to wear them out and cause premature failure.

Hey mate sorry for the necro. When you say you cut the wire it was only only the one correct with one side feeding to the relay and the other as the output?


Tia as I'm doing this to mine soon