1989 jeep cherokee wont drive with headlights on with them off its fine eletrical?


Asked by Jan 02, 2014 at 10:59 PM about the 1989 Jeep Cherokee

Question type: Maintenance & Repair

my 89 jeep Cherokee has a issue the alternator has ben replaced but the jeep wont go past 10 mph with the lights on when driving at night  were thinking it has something to do with the regulator or with a connection some where any advice on specifically what to check?

3 Answers


what does it do when you reach 10 MPH? do you lose power? does it die? does it just not go any faster? also, does it have issues with any other power-draining system? I.E. stereo, heater... etc?


it dies basicly with the lights on or anything besides driving and turn signals and wipers it kills its self specialy with to many on like heater and lights its crazy , the alternator was checked and fine never had this problem befor with a vehicle


well, looks like the power supply (electric) isn't keeping up with the demand, battery, or alternator are the most likely culprits. you said you put a new alternator in, and it's working properly? if so,how did you test this? did you also test to see if your battery is holding a full charge?

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