Speedometer/Transfer Case Help - Page 2

Bloodsucking Parasite · 09-24-2009, 05:46 PM

Well, my speedo stopped altogether, so I replaced the speed sensor (no luck), then the speedo itself (three different ones, still nothing). Still have continuity in the wires running from the speed sensor to the dash, but nothing causes the needle to move at all. Does anyone know what I should be looking for as far as either voltage or resistance from the speed sensor? I'd hate to think that I will need to replace the computer.

radio flyer · 09-29-2009, 09:27 PM

When i had problems with my speedo/tach - it turned out to be the ground on the pass. side of the engine, both units would work erratically and after removing dash entirely as well as removing all of the split loom behind dash and under the hood i started rechecking the ground terminals. What initially looked and felt like a good ground was in fact good insulation with a broken wire inside right at the crimp! Hope this helps

00jeepXJ · 09-30-2009, 03:56 PM

Did you line up your speedo gear? It has to be timed right or it won't work.

09-24-2009, 05:46 PM	#16
Bloodsucking Parasite Newbie Join Date: Aug 2009 Posts: 4 My Photos 1996 Cherokee Year: 1996 Model: Cherokee Engine: 4.0 inline 6 Transmission: French, unfortunately Transfer Case: Beats me. It's silver. Front Axle: Dana Rear Axle: Dana Tires: Cheap. Lift Specifications: Stock for the moment Misc Accessories: Upgraded to new stereo and projector headlamps.	OK now what? Well, my speedo stopped altogether, so I replaced the speed sensor (no luck), then the speedo itself (three different ones, still nothing). Still have continuity in the wires running from the speed sensor to the dash, but nothing causes the needle to move at all. Does anyone know what I should be looking for as far as either voltage or resistance from the speed sensor? I'd hate to think that I will need to replace the computer.

09-29-2009, 09:27 PM	#17
radio flyer Seasoned Member Join Date: Feb 2009 Location: highlands ranch co. Posts: 288 My Photos 1985 Cherokee Year: 1985 Model: Cherokee Engine: 1991 4.0 ho Transmission: 1991 ax 15 Transfer Case: 1991 np231 Front Axle: 1987 d-30 w/ 4.11 Rear Axle: 1988 d-35 w/ 4.11 Tires: 31-10.50-15 Lift Specifications: 3 inch front springs, 3 inch rear using aal,manditory fender trim Misc Accessories: complete rebuild using 1991 xj laredo drive train,interior, harness front to rear,dash, ect.	When i had problems with my speedo/tach - it turned out to be the ground on the pass. side of the engine, both units would work erratically and after removing dash entirely as well as removing all of the split loom behind dash and under the hood i started rechecking the ground terminals. What initially looked and felt like a good ground was in fact good insulation with a broken wire inside right at the crimp! Hope this helps __________________ I don't have alzheimers yet ! Just sometimers!!!

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09-30-2009, 03:56 PM	#18
00jeepXJ Newbie Join Date: Apr 2009 Posts: 15 My Photos 2000 Cherokee Year: 2000 Model: Cherokee Engine: 4.0L with throttle body spacer and cold air intake Transmission: NV3550 Transfer Case: NP232 Front Axle: D30 3.73 gear with Detroit TRU-TRAC mechanical limited slip Rear Axle: D35 3.73 with Detroit C-Locker Tires: 31x10.5x15 Lift Specifications: Rubicon Express 3.5 superflex with Terraflex 1.5" extended shackles Misc Accessories: Custom built over head mounted CB	Did you line up your speedo gear? It has to be timed right or it won't work.

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