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Transmissions and Drivetrain Need help with your trans? Problems with your axle?

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Old 02-27-2007, 10:39 PM   #1
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Join Date: Jul 2005
Location: Miramichi, NB
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Car: 86 Monte Carlo
Engine: Blown 489
Transmission: TH400
Axle/Gears: 9" 370s

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Speedo not working. Electric Speedo from 91 700r4

i have an 86 trans am, but the transmission is from a 91 half ton 2 wheel drive.

my speedometer never worked since i bought the car so i decided enough is enough. do you think its just the 2 prong pigtail i need to replace in the tailshaft?
is it a big job?
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Old 02-27-2007, 11:48 PM   #2
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Location: Disneyland, SoCal
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Car: 1991 Camaro Z28
Engine: 350 L98 siamesed runners
Transmission: LT1 T56
Axle/Gears: 9-Bolt 3.70

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I've seen truck transmissions with reluctor wheels instead of speedo gears, so you'd need to swap those out. You might need to remove the tranny to do it, so yes its a big job.
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Old 02-27-2007, 11:48 PM
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1986, 700r4, 91, camaro, electric, electronic, isnt, pigtail, problems, speedo, speedometer, stopped, swap, th400, transmission, working
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