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Joe
Dodge Dakota
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10/04/2001
02:14:04

Subject: SBEC ?
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I was told by a guy on this site that I could change the settings on my SBEC to run my truck with 31's and have the speedo , odometer, etc. all straightened out. What is this SBEC? Obviously a computer component. I have a 1990 V6 and run 31's. My gauges are all screwed up now. I was told that I couldtake my truck to the local dodge dealer, and have them reset my SBEC to run at 31 in tire mode. Help me out Please.
Thanks Joe E.



CW
Dodge Dakota
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10/04/2001
09:15:06

RE: SBEC ?
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SBEC = Single Board Engie Controller, The fuel injection computer. Only on 98' and up you can adjust the computer to compensate for bigger tire but you can buy a different speedometer pinion for the speed sensor Its on the transfer case has a connector with three wires going to it.



Joe
Dodge Dakota
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10/04/2001
23:26:33

RE: SBEC ?
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Thanks CW, I would greatly appreciate it if you could explain a little more about the speedo neddle. Where to get it, how to install it, ect. Anything you know. Have you dealt with the Super lift "Truspeed"? Thats another possibility for me. Thanks for the help.
Joe E.



Lesley
GenIII
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10/04/2001
23:28:41

RE: SBEC ?
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Wow, CW, you're amazing, what great input you've added to this board. Thanks!

97 3.9 V6 Sport Club Cab. Black

CW
Dodge Dakota
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10/05/2001
00:03:50

RE: SBEC ?
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Thanks Lesley, nice to see I am doing some good. You should be able to order the right speedometer pinion from Chrysler. Just give them your gear ratio and tire size and if he can't find it one from a 97' should fit. Now installation, climb under the truck and find the speed sensor top side of the transfercase and should have three wires coming out of it. I don't think yours has a speedo cable. Mark the position of the sensor so you can put it back in the same spot. Remove the bolt and hold down bracket and pull straight up it should just pop right out of there pull the old pinion out and push new one in. I am sorry if I don't get back to you right away but I work three of the boards on this site and sometimes forget who I respond to. And if I have missed something or am not clear don't be afraid to ask.



Joe
Dodge Dakota
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10/05/2001
00:09:29

RE: SBEC ?
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Actually CW, I just posted that question about 30 min. ago, I was suprised to hear from you so fast! Thanks for your help and time. You do add alot to this site. Many thanks!
Joe E.



Zaurusman
Dodge Dakota
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10/05/2001
00:14:52

RE: SBEC ?
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CW, does this mean that if you change the rearend ratio on a '98, you can take it to the dealer and have the computer codes adjusted to compensate? Is it possible to change a pinion on these instead? Just sounds, well, less expensive as a DIY project. TIA, man!
--
Zaurusman
'98 RC Red Sport V6 5spd 3.21 15x8's
http://www.tiborsrealm.com/Dakota/Index.htm



CW
Dodge Dakota
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10/05/2001
09:07:43

RE: SBEC ?
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No need to compensate when you change gears on a 98' because the 98' and up measures axle speed intead of driveshaft speed. The only thing that can change axle rpm at a certian speed is tire size So put in what ever axle ratio you want and have fun. In other words the only thing you have to worry about is tire size on the 98' and up not axle ratio. You can have the dealer adjust it only so far as far as tire size goes, you can only adjust to the hight of stock size tires. The computer won't let you adjust to anything else. KRC has a speedo adjust kit if you go really big or really small but not cheap and I like saving money.



Fred Clement
Dodge Dakota
JOIN HERE
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11/11/2019
13:00:00

RE: SBEC ?
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Does the SBEC also control the spark I have no power to the coil thus no spark



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