XJ6 & XJ12 Series I, II & III 1968-1992

Fuel injector Relay harness

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Old Mar 1, 2016 | 02:35 PM
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Default Fuel injector Relay harness

I recently replaced the harness, and had some questions.

#1) Is the location of the harness ok? its up against the cover as seen in the picture, and im not sure if its supposed to be that way or not








#2) What does this plug go to?




#3) Where do these go? Are they grounding wires?



#4) What is this second harness? It seems to go to these wires. Im just wondering what it is



 
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Old Mar 1, 2016 | 05:55 PM
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#1- position of harness is OK as-is...but you can move it away from the cam cover if you want.

#2- the white/black wire is a trigger wire for the fuel injection computer. One end goes to the coil "-" post. The other end...the one in the pic...should have a mating plug in the fuel injection harness

#3- yes, those look like grounds. There are about 6 black ground wires that go under the rearmost bolt head of the water rail. There should be a small braided ground strap as well. Make sure you find and attach all of them!

#4- Not sure what the second harness is exactly. Might be for the oil sender wires, a/c compressor wires, and other misc items. The two wire widget in your picture in the electric purge valve for the vapor canister

Cheers
DD
 
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Old Mar 1, 2016 | 06:38 PM
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Originally Posted by Doug
#1- position of harness is OK as-is...but you can move it away from the cam cover if you want.

#2- the white/black wire is a trigger wire for the fuel injection computer. One end goes to the coil "-" post. The other end...the one in the pic...should have a mating plug in the fuel injection harness

#3- yes, those look like grounds. There are about 6 black ground wires that go under the rearmost bolt head of the water rail. There should be a small braided ground strap as well. Make sure you find and attach all of them!

#4- Not sure what the second harness is exactly. Might be for the oil sender wires, a/c compressor wires, and other misc items. The two wire widget in your picture in the electric purge valve for the vapor canister

Cheers
DD
the 2nd harness in the 4th photo leads to the two wire widget you mentioned. I just wasn't sure that the 2 wires connected to.
 
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