dodge ram speedometer - Dodge Cummins Diesel Forum
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post #1 of 21 (permalink) Old 04-07-2010, 10:33 PM Thread Starter
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dodge ram speedometer

hey,im putting a torqshift 5r110 in my truck.
does my spedometer read off the rear axle?
i know the fords do.
if mine reads off the t case how can i get a spedo reading?


96 ram 2500 cuummins 12V twin turbo diesel reg cab long box. new ValAir clutch, 5 inch turbo back exhaust many more but cummins forum wont let me use 9 lines
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post #2 of 21 (permalink) Old 04-07-2010, 11:01 PM
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My '98 reads speed off the rear axle; I just did a gear swap 4.10 to 3.54 and the speedo is still correct. Check and see if there is a reluctor ring pressed on the carrier behined the ring gear in the rear axle; if there is, your speed sensor signal comes from there-mine did.

'98 Dodge 2500 ext cab 2wd, KDP tabbed, twin 16" electric fans, straight 4" exhaust, K&N cold air intake,DAP 5x12's, phatshaft 62/65/14, no plate, 18*, 4K GSK, afc ff, gauges, retorqued stock headbolts, Garmon built auto tranny
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post #3 of 21 (permalink) Old 04-08-2010, 06:09 AM
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Sorry, but your speedo reads from sensor either in trans (2WD) or transfer case (4WD). The speed sensor moved to rear end in '98. GPS maybe?

'96 Dodge 3500,KDP killed, boost-pyro-trans temp, not stock anymore
'01 Dodge 2500 4X4, EC, LB, 6 speed, FP-pyro-boost,
'97 Chevrolet Suburban, K1500, 4.10 gears
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post #4 of 21 (permalink) Old 04-08-2010, 11:39 PM Thread Starter
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yeah i may be rolling with the gps. that p's me off tho.
is there anything i can do to convert mine to read off the rear end? without changing the axle? my only other bet is since the stand alone computer that runs the transmission senses speed. mabuy i can hook up the spedo to the module. i know you can program it to send it out. ill have to call pcs tommorow and see what i can do. the speedometer is electric right?

96 ram 2500 cuummins 12V twin turbo diesel reg cab long box. new ValAir clutch, 5 inch turbo back exhaust many more but cummins forum wont let me use 9 lines
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post #5 of 21 (permalink) Old 04-09-2010, 05:55 AM
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I've heard of some installing later model year rear ends in their trucks and wiring their sensors in. I've never run into this so I've personally not tried to do it. I don't know if the sensor in rear end would send out the same signal as sensor in trans/transfer case. If your stand alone computer could be programmed to control speedo, then I would definitely try that route first.

'96 Dodge 3500,KDP killed, boost-pyro-trans temp, not stock anymore
'01 Dodge 2500 4X4, EC, LB, 6 speed, FP-pyro-boost,
'97 Chevrolet Suburban, K1500, 4.10 gears
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post #6 of 21 (permalink) Old 04-09-2010, 08:17 AM Thread Starter
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i know it senses speed. i just need to figure out how to get that info to my spedometer

96 ram 2500 cuummins 12V twin turbo diesel reg cab long box. new ValAir clutch, 5 inch turbo back exhaust many more but cummins forum wont let me use 9 lines
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post #7 of 21 (permalink) Old 04-09-2010, 12:20 PM
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just buy a speedo gear for $65 ,, call them and he will tell u what you need as far as teeth

Speedometer Gears for Dodge and Jeep, Gear . . . . .

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post #8 of 21 (permalink) Old 04-09-2010, 04:59 PM Thread Starter
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were will the gear go?

96 ram 2500 cuummins 12V twin turbo diesel reg cab long box. new ValAir clutch, 5 inch turbo back exhaust many more but cummins forum wont let me use 9 lines
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post #9 of 21 (permalink) Old 04-09-2010, 11:48 PM
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in the transfer

1997 3500 Dually 4x4 ,5 spd, 241DHD,410's,#10 Plate,Tuned AFC, Ajustable Boost Elbow, KDP Jigged, , 4" Turbo back, 19.5 Alloy Wheels/245/70R19.5, Level Kit, 5100 Bilsteins,BDD Tracbar/Steer box stab , Poly Bushings, Isspro Guages Pyro-Fuel-Boost1Orig Owner
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post #10 of 21 (permalink) Old 04-10-2010, 10:55 AM Thread Starter
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it will go in the ford transfer case?

96 ram 2500 cuummins 12V twin turbo diesel reg cab long box. new ValAir clutch, 5 inch turbo back exhaust many more but cummins forum wont let me use 9 lines
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post #11 of 21 (permalink) Old 06-11-2010, 01:28 AM
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Does anyone know if i can put a speedo sensor and gear in a later 241 DHD that came out of a truck with the speedo in the rear axle?
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post #12 of 21 (permalink) Old 06-11-2010, 09:37 AM
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i have a 31 in my t-case now.... go biggr or smaller to correct for 37" tires ?
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