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Im in the process of changing the bay loom and have unclipped all the connectors from the fusebox. Theres still a couple of wires that look like theyre part of the loom but they dont have a clip, they go straight to relay 53. Is it part of the loom or doesit stay where it is? Once ive sorted this is it just a case of pulling the loom through into the bay? Its super tight where the brake m/s is.

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Well ive figured out what the relay is for and im guessing it stays put and isnt part of the loom. Its just that its taped up with the loom going through the bulkhead. Im thinking i need to pull the loom into the car 6 inches or so, un-tape the relay 53 wiring from it then pull the loom back into the bay?? !!

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Right, ive got the old loom out and the new one in but ive taken out the relay 53 as it was part of the loom. Is this correct? The obd2 loom doesnt have it.

Also the plug for the fan is different. Im guessing the fan needs changing??

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Right' date=' ive got the old loom out and the new one in but ive taken out the relay 53 as it was part of the loom. Is this correct? The obd2 loom doesnt have it.

[/quote']

Thats to control the lambda probe on OBD1, OBD2 works differently

Also the plug for the fan is different. Im guessing the fan needs changing??

Correct.

Anyone help? Ive also got a big sensor that comes off the loom right next to the ecu. Whats it for and where should it sit?

It sits right by the ECU. It is ambient temperature sensor the the AC

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