have a 2002 hyundai xg350 with a bad wiring harness could this damage the computer also and any other parts

45

Asked by Feb 07, 2013 at 02:17 PM about the 2002 Hyundai XG350 4 Dr L Sedan

Question type: Maintenance & Repair

if the wiring harness is no good can it possibly effect other components ie the ecm or any other sensors i would hate to replace harness and then find out there are other problems

1 Answer

5,185

There is a chance it may have damaged the ECU, but the only way to find out is to test it on another car or to replace the harness. Some sensors need a 5 volt reference voltage to work and may be damaged by overvoltage (12 volt for example), it really depends on how and in what way the wiring harness was damaged.

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