ok so i have an 89 Cherokee 4.0 2 door so when i got it the taillight plugs were the bulbs go were roted out so i went to the junk yard and got the whole harness out of a like 96 well it was diff so i cut it and made it work and my hatch was messed up so i got one off a 96 and the wiring was diff so i just cut it i don't really need rear speakers or defrost or wiper but now it wont start no spark tried the coil nada did the crank sensor nada still wont start and i don't kno what i did do sum of them wires in the top left of that hatch do something or what i just don't know so any help or ides would b awesome thanx guys

 

Check all the fuses first. The tail ligts and hatch wires have nothing to do with the ignition, but you might have messed with the fuse panel.

 

wat fuse or relay would control starting