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  #1  
Old February 14th, 2021, 23:05
Bread76 Bread76 is offline
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Key clicks - no crank

I have a 99 cherokee with 91,000 km. I bought it at an auction, it had a fender bender with a deer. Its nearly all fixed except for one problem. When I turn the key to crank the motor, the dash comes on etc. but when I go to crank, you just hear a click under the dash. Not the starter, its under the dash. I just put in a new battery and the terminals are good and clean. Here is the rub, if I turn the key to the on position, and jump the relay under the hood it starts and runs properly. I have also swapped relays. Any ideas? By the way its bone stock, so far.
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Old February 15th, 2021, 04:45
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Tim_MN Tim_MN is offline
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Re: Key clicks - no crank

Have you tracked down what exactly is clicking ?

I would first suspect whatever is clicking, and then suspect the ignition switch assembly.
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Old February 15th, 2021, 07:37
Unclewolverine Unclewolverine is offline
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Re: Key clicks - no crank

Happened on my 95, a chunk broke off the back of the tumbler. Get a new key and tumbler and you are good to go.
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Old February 15th, 2021, 20:11
lawsoncl lawsoncl is offline
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Re: Key clicks - no crank

My first suspect would be the neutral safety switch. Trying in neutral or jiggling the shifter handle while you hold the key is one way to test.

Or as Uncle posted, the ignition switch itself has a problem.
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Old February 15th, 2021, 22:58
Bread76 Bread76 is offline
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Re: Key clicks - no crank

Ok, Ill check those out. Is the neutral safety in the shifter consul? By the way its an automatic.
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Old February 16th, 2021, 04:45
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Tim_MN Tim_MN is offline
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Re: Key clicks - no crank

If the NSS is faulty, or out of adjustment, there is typically no response/no clicking when the ignition key is at the START position. However, it is very simple to bypass the NSS as a diagnostic test.


I am still wondering where and what is clicking ?



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Quote:
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Go ahead and slam the liftgate down on a blanket, and see how long you are laughing.

Last edited by Tim_MN; Yesterday at 11:12.
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Old February 16th, 2021, 05:56
RCP Phx RCP Phx is offline
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Re: Key clicks - no crank

Quote:
Originally Posted by Bread76 View Post
Ok, Ill check those out. Is the neutral safety in the shifter consul? By the way its an automatic.
The NSS is mounted on the passenger side of the transmission.
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Old February 16th, 2021, 08:49
Bread76 Bread76 is offline
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Re: Key clicks - no crank

ok ill be figuring out what is clicking as soon as this -20 passes.
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Old February 22nd, 2021, 21:37
Bread76 Bread76 is offline
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Re: Key clicks - no crank

Ok so I checked what appears to be the NSS but I Think its on the driver side. At any rate that did not work. I Did not bypass it as of yet but did play with it to see if it did anything. Next I turned on the ignition to hear where the click was. It was plainly coming from the interior fuse panel in the passenger footwell. More specifically, it seemed to be the cigar relay. I swapped it for the rad fan relay just as a guess but nothing changed. Of note, this this click only happens at that panel when you go to crank not just Accessories. Im thinking I have to do the ignition cylinder. How does it come out. Where can i get a replacement to match my key?
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Old Yesterday, 04:55
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Tim_MN Tim_MN is offline
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Re: Key clicks - no crank

In your genuine Jeep Dealership Service Manual you bought from www.pacificcoastmanuals.com, what other circuits are on that relay and have you been troubleshooting and running diagnostics on those circuits ?
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  #11  
Old Yesterday, 08:07
CJR CJR is offline
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Re: Key clicks - no crank

You've received good tips to check out. Also, the starter may not be properly grounded. To check the starter grounding, run a jumper cable from the negative battery terminal to a bolt on the starter motor to get a good ground path and try to start the car. If it starts, you have a bad ground at the starter. I run separate No. 2 welding cables from my negative battery terminal to one of the starter mounting bolts on my XJs.

Best regards,

CJR
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Old Today, 08:33
denverd1 denverd1 is offline
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Re: Key clicks - no crank

Quote:
Originally Posted by CJR View Post
You've received good tips to check out. Also, the starter may not be properly grounded. To check the starter grounding, run a jumper cable from the negative battery terminal to a bolt on the starter motor to get a good ground path and try to start the car. If it starts, you have a bad ground at the starter. I run separate No. 2 welding cables from my negative battery terminal to one of the starter mounting bolts on my XJs.



Best regards,



CJR
Corrosion at starter can definitely cause an issue. Clean it.. also doesn't starter ground to block?

But I suspect another issue as jumping solenoid sends power to starter and it fires.

Inspect key cylinder


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