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School me on non-ic'd speedos

Does it have spark? And other questions...

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School me on non-ic'd speedos

Postby nooblet » Tue Oct 07, 2008 2:38 am

What is in between the adapter at the transfer case and the actual speedometer in my dash? My speedo has been acting crazy, bouncing all over the place. My thoughts are a bad ground, bare wires touching my transmission, the adapter at the t-case, or the actual speedo in the gauge cluster. What else could it be?

Also, can anyone explain why my speedo goes crazy while i'm at a dead stop ONLY when the truck is running, not just the ignition in the "on" position? Why would the truck running make a difference?

Thanks,
Chris
1990 W250 4X4 / PODs / 366 Spring / BHAF / Lockers / 35" BFG MTs / Getrag / Valair Ceramic / 3.54:1's / Phantom II Boost/Pyro / Muffler Delete

"Speak softly and carry a big stick" --T.Roosevelt
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nooblet
fuel screw!!!!
 
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Postby nooblet » Mon Oct 13, 2008 6:28 pm

No one? Did i ask a stupid question or something?

Chris
1990 W250 4X4 / PODs / 366 Spring / BHAF / Lockers / 35" BFG MTs / Getrag / Valair Ceramic / 3.54:1's / Phantom II Boost/Pyro / Muffler Delete

"Speak softly and carry a big stick" --T.Roosevelt
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nooblet
fuel screw!!!!
 
Posts: 271
Joined: Wed Aug 08, 2007 5:32 pm
Location: San Antonio, Texas
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Postby Richie O » Mon Oct 13, 2008 6:35 pm

You should have gotten a 89. Cable driven :lol:
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Richie O
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Postby nooblet » Tue Oct 14, 2008 1:08 am

I'll take just about anything manual over electric, I hate wiring diagrams. But i got to work with what I have.

Chris
1990 W250 4X4 / PODs / 366 Spring / BHAF / Lockers / 35" BFG MTs / Getrag / Valair Ceramic / 3.54:1's / Phantom II Boost/Pyro / Muffler Delete

"Speak softly and carry a big stick" --T.Roosevelt
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nooblet
fuel screw!!!!
 
Posts: 271
Joined: Wed Aug 08, 2007 5:32 pm
Location: San Antonio, Texas
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Postby Ace » Tue Oct 14, 2008 7:12 am

Don't know about the '90, but my 91.5 gets it's speedo signal through the PCM. I've been trying to figure out how to bypass that lately.
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Ace
14mm rotor
 
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