Mystery Plug
That looks like one of the plugs that mate with the ACV on the left side of the block. Those are part of the same spiderweb of a wire harness that snakes over the top of the rats nest.
Refined Valley Dude
Joined: Oct 2001
Posts: 2,283
Likes: 2
From: Kitchener, Ontario (Hamilton's armpit)
Originally posted by NZConvertible
I swear this question gets asked about once a week.
It's for the temp switch that operates the optional auxiliary fan in front of the radiator. It sits on the back of the water pump next to the ECU's thermosensor.
If you don't have the fan, you don't have the temp switch, hence the spare plug.
I swear this question gets asked about once a week.

It's for the temp switch that operates the optional auxiliary fan in front of the radiator. It sits on the back of the water pump next to the ECU's thermosensor.
If you don't have the fan, you don't have the temp switch, hence the spare plug.
Goddamn n00bs chocking teh bandwith.

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