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97 escort wiring problems

6K views 7 replies 2 participants last post by  Bert 
#1 ·
Hi im new here and im having trouble with the wiring from a 97 1.8 zetec escort. Me and my brother have transplanted the engine into a mk 3 fiesta and the engine is currently running on a different ecu and runs great but the ecu isn't meant for a 1.8 engine and it doesn't run brilliantly. we have got the full loom from the escort and checked it over but there are several wires that we cant figure out what they do. was wondering if anyone out there could help because it has me beaten. :(
the wires are mostly on an 8 pin multi-plug that connects inside the car and they connect to pins 5,38,39,41,45 and 49 of the ecu
there are also several wires on the 12 pin engine to car loom plug that we cant work out either and these connect to pins 30,35 and 53
any help on this would be much appreciated
thanks
James
 
#5 ·
well the eec-iv has a 60 pin plug whereas the eec-v has 104 pins so the pin numbers are not interchangable. i now know the function of each pin that i was missing but i wondered if anyone knew if the ecu would still work without the key tranceiver as i would prefer not to use this if i can avoid it.
any help would be much appreciated
James
 
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