GolfGTIforum.co.uk
Model specific boards => Golf mk3 => Topic started by: kelaroost on 09 February 2013, 19:37
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hi all, new on here
i've had a mk4 a while now and i've just bought a mk3 gti to transplant the running gear into, i also want to fit the dash and clocks from the mk4 into the mk3 so instead of using a modified engine loom and modifying the dash loom is it possible to transplant the whole loom from the 4 into the 3?
if i do this will i still have to get the ecu immobilizer removed or will it all work fine?
will i have to change any plugs over to use existing mk3 components like the lights, wiper motors etc
edit: donor car is a 1999 agu
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http://www.golfgtiforum.co.uk/index.php?topic=168746.0
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^^ That thread answers none of his questions really.
Transplanting the whold thing is a hell of a job, but do-able all the same, some welding/grinding/drilling/cutting and fabricating is required to get the 4 dash to physically fit in the 3. Getting the engine to run is relatively easy doing it this way since yr nott chopping into engine looms etc and you are using the existing keys, ecu and clocks. You need to get yr hands on both full wiring diagrams to wire in the doors, boot, light and fuel system, many wire colours are matched between the 3 and 4 but obviously some arent.
Will take a lot of patience, head scratching, shouting, swearing and probably a few tears but i think it will be worth it, have considered a dash swap in mine a few times and it may still happen.
If you do it, take loads of pics :wink:
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my mk3 turbo runs with the loom of a s3 but uses the original dash and everything works as it should original imobiliser was bypassed and after market on installed I now use two keys the original one now only opens the door while the other one starts the car company called dubshack in the midlands did it give them a shout they will be able to help you out
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too much hassle
my S3 engine is on Audi looms and ECU too
but in this case, if he wants to use a mk4 dash, you can buy looms from kufec to do this
just install the engine and splice the wiring into the mk3 fuse box
to re wire the whole car with mk4 stuff would take forever and your doing stuff you dont need to do
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my mk3 turbo runs with the loom of a s3 but uses the original dash and everything works as it should original imobiliser was bypassed and after market on installed I now use two keys the original one now only opens the door while the other one starts the car company called dubshack in the midlands did it give them a shout they will be able to help you out
seen your car in forsale section, thats not a S3 engine as the TB is on wrong side, so i doubt yours has a S3 loom but i agree, this is the best way to wire it in
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Sorry for hi jack but is the AC part of engine loom?
Basically I have a AC gti and non AC vr6 donor. I want to run the AC on the vr and just want a easy job. Electrics do me in :grin:
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my mk3 turbo runs with the loom of a s3 but uses the original dash and everything works as it should original imobiliser was bypassed and after market on installed I now use two keys the original one now only opens the door while the other one starts the car company called dubshack in the midlands did it give them a shout they will be able to help you out
seen your car in forsale section, thats not a S3 engine as the TB is on wrong side, so i doubt yours has a S3 loom but i agree, this is the best way to wire it in
yeah its out of a tt roadster
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Sorry for hi jack but is the AC part of engine loom?
Basically I have a AC gti and non AC vr6 donor. I want to run the AC on the vr and just want a easy job. Electrics do me in :grin:
Pretty sure the a/c runs on the car loom along with the alternator and the fan/thermostat plugs :wink:
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Sorry for hi jack but is the AC part of engine loom?
Basically I have a AC gti and non AC vr6 donor. I want to run the AC on the vr and just want a easy job. Electrics do me in :grin:
Pretty sure the a/c runs on the car loom along with the alternator and the fan/thermostat plugs :wink:
Cheers man. Hopefully ill do it this year :laugh:
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Im sure the AC loom is all integrated into the front engine loom. It's all wrapped together meaning you would have to cut the loom open.
Probably best to get an AC VR loom.
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That's all I wanted to know. I might fix the vr up and sell on and then see what happens. Mk4 4mo would be nice.
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The a/c plug is on my alternator loom which is part of the car loom, the part that runs to the battery and fan set up, just checked, OBD2 VR but I dont think that makes a difference :wink:
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Mines obd1 but can't see it being different too. Obd1 ftw :grin:
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Im sure the plug for the Air con pump is on my S3 engine loom, i dont have air con on my car so the plug is not used
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The AC consists if many parts. One being a pressure sensor near the ecu under the scuttle, so it is integrated into the whole loom. I have AC just not running at the moment.
And those that know, know about me and electrics. :wink: :grin:
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The AC consists if many parts. One being a pressure sensor near the ecu under the scuttle and it goes to the fan module, so it is integrated into the whole loom.
I have AC just not running at the moment.
Those that know, know about me and electrics. :wink: :grin:
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The T-shirt knows, how to diagnose!!! :grin: :grin:
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:laugh: