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bezzal

E36 Trailer Adaptor Module

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I have done a bit of searching and from what I can gather:

I have an OBC that does pull up light faults so I should use an adaptor.

I realise though if I splice into the harness before the voltage measuring thingy, it wont effect this. But this means runing the wires to under the dash board.

Sounds like it would be a lot easier to use the adaptor.

I haven't as yet found where to wire the adaptor in how ever, is it self explainatary once you have the adaptor?

I sometimes get stuck having to pull a trailer with the BM, and not the pajero so it would be good if I could get the lights hooked up.

It alraedy has a tow bar.

Your feed back is appreciated.

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Just use relays

The extra load of a relay coil (ie: very very little) on the individual circuits won't upset the light bulb monitoring.

A lot of auto sparkies use this approach, means they can use garden-variety automotive relays, and don't have to get any special BMW parts.

Of course, using the relay method means you have no light-bulb monitoring of the trailer lights.

If you use the original BMW trailer light module then you will have proper working light-bulb monitoring of the trailer lights.

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