1990 Jeep Cherokee Intermittent Starting after short runs
There is a switch that is going out in my 1990 Jeep Cherokee. It has multiple connections but the one of interest is the one that leads to the solenoid on my starter. What is the name of this switch and where can I get one. No one seems to know what I'm talking about.
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Most likely is intermittent in starter solenoid relay
Next most likely is key switch start connection intermittent. a tester will have to be used to find where the power is being lost from the start terminal of ignition switch to starter solenoid pilot connection to the main starter output power from solenoid to starter main contactor.
The power window switch and motor, any of this can be the issue.If the motor is getting stuck or motor is getting weak, then this problem will be intermittent.If the switch is not completely faulty , but its wires are getting loose or getting short, then this can also cause this intermittent problems.
There are many other possibilities too:---
Click this link below :---
This should help.Thanks.Helpmech.
Sounds like a locked up servo and it (Tranny) is wanting to be in 2
gears at once. This will blow fuses to prevent a locked up tranny.
It sounds to me like the wire you found this inline fuse in, is the
power (12V) line that goes to pin C15 on yout TCU connector. If you lose
or take away power from this pin the tranny will go into a full manual
mode. Meaning it just goes straight to whatever gear you have the
gshifter in. The good news for you is that for a temp fix until you find
your short. You can cut this wire and run it to any (12V) switched
source. Switched meaning it turns off with the ignition switch.
you have a fuel pump relay . Check to see if the fuel pump is humming when you turn key. check for proper ground for fuel pump. try spraying some carb cleaner into the intake then attempt a start. The engine will run for a few seconds, this will verify spark. corosion at the electrical connections is always a possibility. and lastly can you get the engine running by opening the throttle when starting?
Its the starter solenoid. Remove 2 bolts and the lead wire and pull the starter out. most local parts stores can test the starter for you, but if the problem is intermittent it might not show up during their test.
On my jeep, after pulling the starter, I disassembled the solenoid. The actual failure of the solenoid was the electrical contact. I cleaned off the corrosion and have had no problems for 40,000 miles.
I had a similar problem a few years ago, but it involved the head lights going out when I had to use the brakes. I replaced the head light switch because I found that it had started to melt, but there was actually an underlying electrical problem that this did not fix. A friend eventually found some kind of short behind the fuse panel, but I'm not exactly sure what he did to fix it. You might want to check the fuses and all of the wiring around the fuse panel for damage. Just BE CAREFUL with the electrical stuff. It's probably a good idea to disconnect the negative battery cable before you start messing with anything. Again... I don't know exactly what my friend did to fix the problem, but it involved that area in the electrical system. The switch is probably melting because of an over-current in that circuit. It will be easier to look at everything if you remove the plastic paneling on the bottom part of the dashboard. You might also want to check and see if clutch master cylinder is leaking any fluid down on to the fuse panel under the dash. I'm not an expert by any means... but I hope this helps.