Wiring Up A Mark Viii Fan With Just

A buddy told me two get a two speed mark viii fan for my project. I just thought i d think out of the box and see if i could whip my own up.

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I ordered a two speed mark viii from a guy that had a few for sale and i got one with the following part numbers on it.

Wiring up a mark viii fan with just. Sensing unit to be installed adding a layer of separation from the ecu to the cooling system. Have someone hold the fan so you can mark the holes that need to be drilled to mount the fan to the brackets. It seemed like a good idea to have a low speed fan for normal cooling and a c use and the high speed fan for the high boost conditions of my engine build.

Mark viii s were produced from 1993 1998. Then find a suitable place to mount the relay. The install looks factory especially when you use the factory overflow bottle.

How to install a lincoln mark viii electric fan. This is the lincoln mark viii fan installed on my car. A lot of aftermarket fan controllers need a separate temp.

When happy runa 10 guage wire from the positive side of the starter relay to the fan relay. No you don t the second relay is to run the fan when you switch the a c on. The lincoln fan comes out so easy that i grabbed one from both mark viii s in in the yard.

I got the ford racing waterneck p n m 8592 b302 and a temp sensor from a 1984 1992 lincoln mk vii. Using the bolts lock nuts and fender washers mount the brackets to the fan. Photo by jose a.

93 s and 94 s are just making there way into you pull it type yards. I know they all work perfectly and possibly may even run better depending on where the temp probe screw is placed. Run another 10 guage wire from the relay to the fan and some 10 guagewire from the fan to a good ground.

Now install the fan onto the radiator. Each fan cost me 29 95. Pull the fan back out drill the holes for the l brackets in the fan shroud.

First familiarize yourself with the wiring of therelay. On this particular day both lincolns i came across were 1994 models. Here s a little diagram i put together to help show what needs to be done to fit a lincoln mark viii fan to a 79 93 5 0 mustang.

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