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azza46

Mk2 Rebuild - Wiring Harness Help Required

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azza46

Hi,

 

In the process of rebuilding my mk2 after a few years but have come to connecting all the wiring harness back up and am having some issues as I cannot remember where a lot of it connects to. I've tried reading the Haynes but to be honest I really struggle to make sense of the wiring diagram.

 

Is there anyone with a good knowledge of the mk2 harness that would be able to help me out? I can describe wire colour and origin etc and maybe someone could tell me where it connects to?

 

Thanks,

 

Aaron

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steveo3002

best thing is post some photos of the connectors you need to know about 

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azza46
3 hours ago, steveo3002 said:

best thing is post some photos of the connectors you need to know about 

 

Hi, thanks a lot for the reply!

 

Ill get some pics up tomorrow and hopefully start working through it.

 

Thanks again,

 

Aaron

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azza46

So first one is the wires coming from alternator. 

 

Pink wires with a ring terminal and a single blue wire with single connector. 

5388060B-ABEF-411D-80F5-D81DF3A5EB23.jpeg

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azza46

Next up is the wires connecting to fan switch. Also join in to the main loom on the right side of the bay when stood at the front of the car. 

 

Yellow and black stripe and solid black wires x4. 

C64DE9D1-886B-45B3-84AC-6ADC4C5C1DC7.jpeg

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azza46

Anyone able to help out with this?

 

 

On 04/05/2019 at 20:22, steveo3002 said:

best thing is post some photos of the connectors you need to know about 

 

Hi, thanks a lot for the reply!

 

Ill get some pics up tomorrow and hopefully start working through it.

 

Thanks again,

 

Aaron

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dvderlm

What year Polo?  Might help decipher the wiring diagrams as there are differences by year and optional extras -  like the Chapter 12 supplement pages in Haynes.

Mine (1984) alternator has a Lucas style  plug, not an 8mm stud so can't help there sorry.

 

 

 

 

 

 

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steveo3002

red one with eyelet looks like alternator- starter , blue would be wraped with this and go alternator ot a spade over near the starter , both routed around the end of the sump

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kiran_182

Yellow and blue look like oil water temp sensors 

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nige8021

Looking at the condition of the wire on the alternator ring connection I would replace that tag so you don't get any poor connection problems 

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steveo3002
7 hours ago, nige8021 said:

Looking at the condition of the wire on the alternator ring connection I would replace that tag so you don't get any poor connection problems 

easy upgrade to fit a fatter wire , the orig one was border line enough when new

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nige8021
12 minutes ago, steveo3002 said:

easy upgrade to fit a fatter wire , the orig one was border line enough when new

 

Exactly that wire looks like it's in the first stage of "black wire corrosion" so a complete replacement of the wire might well be the best course of action

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