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Author Topic: Trailer Help  (Read 1589 times)

TheGiantTribble

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Trailer Help
« on: 28 September 2020, 10:07:40 am »
Good morning all.

Have a slight problem and wonder if anyone has any ideas.
Need to fit a tow bar to my Toyota Corolla, the tow bars them selves are still
available, however the special wiring loom to connect to the ECU isn't, and if you could find one it would
cost more than the car. Punching a hole though some bodywork with some 7 core
wire and doing it the old fashioned way doesn't work the ECU goes nuts
and fries itself.
Any ideas, inspiration, really don't want to buy a different car as I like my Corolla.
But using the car I've used in the past to get to events isn't going to be an option any more.

Thanks in advance.

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StefanN

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Re: Trailer Help
« Reply #1 on: 28 September 2020, 10:20:17 am »
It's a long shot, but can you find one at a breakers yard?

Chris Brown

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Re: Trailer Help
« Reply #2 on: 28 September 2020, 06:15:32 pm »
I fitted the tow bar to my Peugeot Expert using a bypass relay, works fine, something like this: https://www.ebay.co.uk/itm/Universal-7-Way-Bypass-Relay-Towbar-Wiring-Kit-Towing-Electrics/114253969913?hash=item1a9a1139f9:g:Cy0AAOSwae9e33~G

Chris

Edit: Should have explained how it works, it takes a power supply from the battery, and feeds the trailer wiring using the car wiring to provide signal level triggers for the relays. So it won't fry your ecu, mine came as part of a 13 pin wiring kit, but it's basically the same as the one in the link.
« Last Edit: 28 September 2020, 08:38:32 pm by Chris Brown »

TheGiantTribble

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Re: Trailer Help
« Reply #3 on: 28 September 2020, 09:03:53 pm »
Cheers Chris that looks kind of ideal, and bonus cheep as well!

Marek.Z.N

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Re: Trailer Help
« Reply #4 on: 28 September 2020, 09:20:18 pm »
out of interest. which model/year of corolla do you have?

TheGiantTribble

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Re: Trailer Help
« Reply #5 on: 29 September 2020, 09:36:29 am »
It's a
Toyota Corolla
2004 1.6 VVT