Speedometer trouble

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11-03-2007 | 10:40 AM

monknomo

Thread Starter

Track Day

Joined: Jun 2007

Posts: 21

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From: Alexandria, VA

Speedometer trouble

I have a 1986 944 and the speedometer isn't working. I swapped out the sender unit, but that didn't fix it. What else could be the problem?

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11-27-2007 | 07:00 PM

waynelambright

Instructor

Joined: Sep 2007

Posts: 235

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From: Guerneville

check for a good grounding wires on the instrument cluster.

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11-29-2007 | 12:11 PM

Hans

Burning Brakes

Joined: Jul 2001

Posts: 1,210

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From: Ams, NL

1) Drive shaft for the sender unit.
Remove sensor, remove the Alu hex adapter to the tranny and find a nylon shaft.
Lift it and check the teeth.
2) corroded connector on the sender unit.

TakeCare

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11-29-2007 | 12:29 PM

PorscheDude1

On the Radar
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Joined: Dec 2004

Posts: 5,013

Likes: 5

From: Bel Air, Md.

I have a brand new never installed Speedometer Impulse Sender, if you are interested.

$35 shipped

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