there is a thread where a headlight wiring harness using relays is installed on the jeep cherokee. this is how i found this site to begin with. Ihave bought three and have installedtwo of them so far. I'm quite pleased. I bought them fro LMC Truck-part # 36-3580. they are 29.95 and about 40.00 with shipping and handling.suggest you give them a try