Wiring loom?

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Wiring loom?

Postby Bob Campbell » 17 Oct 2018, 19:00

Hi, Been away for a while, hope your all still alive and kicking! The Syncro has been in deep 'restoration' with Gary near Aberystwyth for 5 years after getting just about written off in a RTA with a Transit, we drove away the transit went to scrap! (Kids, new job and Gary fitting it in around other jobs so we could afford it!) It's now done and been painted and is off to get rebuilt at J's Garage in Aberystwyth. Its totally stripped down so a good chance to replace all the stuff that did not work (most of it!) looking to get a new (are there any options?) or decent 2nd hand wiring loom so:

a. Anyone got one?
b. Anything to watch out for?

Cheers for any help, will post pics as we get it sorted!

Bob
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Re: Wiring loom?

Postby Mocki » 17 Oct 2018, 19:54

Maybe speak to SyncroAndy, he’s the loom builder in these parts .....
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Re: Wiring loom?

Postby silverbullet » 17 Oct 2018, 20:14

RHD isnt it?

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Re: Wiring loom?

Postby Bob Campbell » 17 Oct 2018, 20:30

Hi, Yeh White RHD Panel van.
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Re: Wiring loom?

Postby silverbullet » 17 Oct 2018, 22:06

You really do need a rhd syncro body loom, otherwise you won't have all the diff lock wiring. I dont think it's separate from the main loom.

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Re: Wiring loom?

Postby Aidan » 18 Oct 2018, 10:17

iirc it's a diesel rhd - handedness only affects the dash loom (length) and the rear lighting loom (reverse light side) really
difflock loom is in all syncros even ones without difflock (because fuel tank and reverse light wiring is in it) and is the same l or rhd and is separate to front to back loom

I have a 1986/7 diesel pickup syncro front to back loom here still on shell, Swedish difflock lhd, I don't have a vacuum loom for difflock spare

I have some rhd dash loom and dash parts but no diesel bits other than bod circuit board
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Re: Wiring loom?

Postby syncroandy » 18 Oct 2018, 10:43

Hi Bob, I may be able to advise on this. The 85> T3 wiring is composed of several separate harnesses, which vary depending on options fitted, engine code, RHD/LHD. The Syncro has an additional harness for the difflock switches and fuel sender. From front to back they are (for RHD Syncro):

'Wiring harness, front': 252 971 072 xx
'Wiring set for dash panel' (Dash harness): 252 971 051 xx
'Wiring set for central electrics' (Main harness): 251 971 011 xx
'Harness for engine compartment': 251 971 071 xx
'Wiring set for diff. lock warning': 251 971 083 L
'Wiring harness rear junction box/taillight': 251 971 169 xx

(xx= numerous suffix codes for the various options)

Some harnesses are still available new from Classic parts, but typically they are several hundred euros each, and the RHD dash harnesses are not listed at all. If the harnesses on your van aren't usable, your most practical and affordable options are to refurbish/repair what you've got, or get a fresh good-used set from a breaker and refurbish as required. Alternatively they could be re-made from scratch, as the materials are all available and they're well documented.

It really all depends on where you're starting from, what you want to achieve, and your budget.
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Re: Wiring loom?

Postby syncroandy » 18 Oct 2018, 10:46

PS. I do have some of the abovementioned harnesses, including a difflock harness. I've not got a complete set though.
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Re: Wiring loom?

Postby Bob Campbell » 19 Oct 2018, 19:51

Cool, thanks for all the info, will have a chat with Jay and see what we wan to do, in fairness it was working OK before we started but for one reason and another has had more that its fair share of water in the cab, might see how they work out when we hook it all up! Thanks again for all the helpful info.
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Re: Wiring loom?

Postby syncroandy » 20 Oct 2018, 07:58

Righto. I'd suggest assessing the condition of all interconnections before assembly, to avoid the risk of reliability problems. If there's obvious tarnishing or corrosion on the contacts they should be renewed, or if the whole harness is bad it may be simpler just to swap it out for a better one (eg. dash harnesses are often quite poor). I can assist with refurbishing if needed, email and phone are on my website. I only use components to OEM spec and quality, mainly from TE/AMP, including phosphor-bronze spade terminals as used originally by VW.
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Re: Wiring loom?

Postby Bob Campbell » 31 Oct 2018, 21:40

syncroandy wrote:Righto. I'd suggest assessing the condition of all interconnections before assembly, to avoid the risk of reliability problems. If there's obvious tarnishing or corrosion on the contacts they should be renewed, or if the whole harness is bad it may be simpler just to swap it out for a better one (eg. dash harnesses are often quite poor). I can assist with refurbishing if needed, email and phone are on my website. I only use components to OEM spec and quality, mainly from TE/AMP, including phosphor-bronze spade terminals as used originally by VW.


Cool, will give you a call tomorrow to discuss further!
Bob & Ally
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