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Join Date: Apr 2003
Location: central Michigan
Posts: 75
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how is the speedo sensor to be tested?

I pulled the speedo apart and the gears are intact. How do you check the speedo sensor ( on the transmission)? What kind of voltage if any will there be? I tried to use a multimeter but couldn't get any numbers.

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'87 944 Maraschino Red Metallic Euro delivery...five speed
Old 08-29-2003, 06:36 PM
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Should be sending out pulses. Have to search the past messages here and on Rennlist.com for the info. I'll check the WSM's to see if they have the info. May take an o-silly-scope to see them.
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Old 08-30-2003, 12:11 PM
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Thanks again. I'm not givin' up!
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'87 944 Maraschino Red Metallic Euro delivery...five speed
Old 09-01-2003, 07:26 AM
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It uses pulses off of magnetic inserts off of the ring gear for speed.

What symptoms are you seeing?

AFJuvat
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Old 09-01-2003, 05:40 PM
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I have a non functioning speedo and odometer. The odometer gear is intact and spins freely.

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'87 944 Maraschino Red Metallic Euro delivery...five speed
Old 09-02-2003, 08:09 AM
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