Having problems with your Jeep Grand Cherokee ?

I have a 1994 Jeep Grand Cherokee Limited and the Mechanic indicated the the Fuel Injection Wiring Harness is bad and needs to be replaced. They said a replacement is not available and offered no solutions other than finding one in a junk yard. Any suggestions??

Posted / edited by AnonymousUser on : 27-09-2021

Answers :

Hi and welcome to FixYa,

To my understanding, your basic requirement is a "Fuel Injection Wiring Harness" which is not readily available as it is. The "Fuel Injection Wiring Harness" is a part, actually one of the ends of a main harness coming from the computer. What commonly available would be the complete PCM (ECU/ECM) harness or even engine harness. You can try inquiring from here, here or here.

Incidentally, there are auto electricians who repair/rebuilt or custom make wiring harnesses. This is especially true in places where replacement parts are rather difficult to come by.

Additionally:
\015\012
    \015\012
  • were the connectors to the computer (PCM) checked, cleaned and tested for continuity to the harness end connectors;
  • \015\012
  • if the concern why the harness was diagnosed as defective would be intermittent stalling, power loss, no start, have you considered possibility of a faulty PCM;
  • \015\012
  • there are some models/versions that have issues with overtightened Torx screws which were solved by loosening said Torx screws.

Would appreciate a postback/update.

Good luck and thank you for using FixYa.
Its easily available at
\015\012www.autozone.com
\015\012
\015\012or at
\015\012click this link directly
\015\012
\015\012http://www.autopartswarehouse.com/models/jeep~grand_cherokee~makemodel.html
\015\012and select the part and the make -- model--year and brand of car in the link.
\015\012
\015\012its available.
\015\012please do rate the solution.
\015\012thank you for using fixya.
\015\012keep updated.
\015\012thanks.
Repair Help & Product Troubleshooting for Jeep Grand Cherokee

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