I have a jeep laredo 1986 and it use to start up fine but now when i try to start it i turn the ignition on and it doesnt start.. then i turn the ignition everything goes off like the battery is dead but when i turn the igition back the battery comes back on. but sometimes it will start up right away..what is the problem???
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Re: 86 jeep cheeroke laredo starting
I think you must be having an ignition switch issue here. You might need to see an electrician for this as it might be a little bit complicated to test and instructions over the net could be confusing and may lead to other damage.
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Try using the key-less entry to disarm the security. then I think I would get out the test light and look at the A.S.D. (auto shut down) relay in the fuse box under the hood. Verify it is not ignition switch. This relay gives the injectors, coil,and other things power.
If I'm understanding what you wrote, everything seems to work but when you turn the ignition key the engine fails to turn? If that's the case, remove and clean the battery terminals to restore a good connection there. Check the battery voltage (should be at least 12v) Make sure the connections at the other ends of the battery cables are also clean and secure. Check voltage at the main wire on the starter (also 12v) and then have someone turn the key to "start" and check voltage at the small trigger wire on the starter. In start, that too should have 12v. If not check the neutral safety switch, clutch switch (if stick shift) and the ignition switch itself for volts in, volts out. Make sure all fuses and relays in the power distribution center are good. If there is power at the main starter battery wire and the trigger wire when tested, likely the starter has failed.
Make sure you have plenty of 90 wt. in the front axle. I've got an '86 Cherokee Laredo. It doesn't kick right in to gear. You need to be moving, but not to fast. Sometimes reversing, then back into drive works.
When you disengage it, if you are moving at or above 30 mph, you'll hjear a rapid clicking from the front axle as it tries to let go. Put it in neutral for a second or two. That will take enough strain off the drive train to allow it to disengage.
Is it fuel injected or carb??? Try holding the gas pedal to the floor while turning the jeep over. This sometimes makes gas pump thru to the cylinders. Have you changed the fuel filter???? I know alot of jeeps have a fule filter with a bypass back to the tank, and sometimes the filter will be bypassing to the tank instead of the the motor. Check it out?????