Shift Indicator Light on in top gear, ax15 trans -
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post #1 of 4 Old 07-08-2017, 08:05 PM Thread Starter
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Join Date: Jul 2017
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Xj Shift Indicator Light on in top gear, ax15 trans

I recently had my XJ's tranny rebuilt. since then, my upshift indicator light will come on randomly in top gear, and my speedometer bounces slightly +-10 mph.

Anybody know anything about this problem?

Putput37 is offline  
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post #2 of 4 Old 07-10-2017, 01:56 PM
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1989 XJ Cherokee 
Join Date: Jan 2008
Location: Fort Collins
Posts: 799
Fairly common, happens in my 1989 XJ and in my TJ one with the puegot trans one with the ax15 I think it's just how it senses when it's time to shift.

1989 XJ Build:
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post #3 of 4 Old 07-10-2017, 04:46 PM
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1988 MJ Comanche 
Join Date: Nov 2016
Location: Los Teques
Posts: 67
Hello Engineer Putput37, nice to meet you and for my part welcome.

I recommend to indicate the Jeep model and year to be able to help you better.

On Jeep models like that of our colleague Comtv the SHIF indicator depends on the engine RPM and the indication of the speedometer is not electric, it is mechanical, in this case it may be a bad coupling of the plastic gear located at the exit of the AX15.

On page # 7 of the following file is a photograph of the plastic gear.


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post #4 of 4 Old 07-14-2017, 02:32 PM Thread Starter
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Thanks, I got it all sorted out. Good info though.
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