Turns out it was the circuitry on the back of the Speedometer, just like PanamaMike00 and Ataki!
Now my Speedometer and Tachometer work. The tach is still intermittent. but at least the speedometer and odometer work.
Here are some pictures of the repair. The broken ribbon wire at the end off yellow arrow.
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I used a pencil eraser to removed the coating on the wire ribbons. Then I used a knife point to expose extra ribbon to land solder on.
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Soldered the jumper wire in place.
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Applied Plasty Dip to recover the exposed wire ribbon.
[Linked Image]

Last edited by 94Monty; 10/08/13 05:27 AM.
94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T
94LS 3.0L(M)30/9.5R15 Falken Wild Peaks
2003 Limited(AT) BFG A/T