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Old 09-07-2013
Thread Starter
Join Date: Jul 2012
Location: Bakersfield, CA
Posts: 1
How to test speed control module

'99 Ranger XLT 3.0L v6 2X4 Manual Trans
The speed/cruise control is not working. I have run the self diagnostics and I get all the proper lights, but the servo test at the end does not work. I am wondering how I might manually test my servo to see if that is my problem before I start spending money on a replacement servo, switches., etc.

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Old 09-07-2013
sheltonfilms's Avatar
Join Date: Apr 2010
Location: Knoxville, TN
Posts: 631
So you get the correct flashes but the servo cable is not pulled at the end?

If its not pulling then that means the servo is bad OR the internal cable is bad. Check where the cable connects to the top of the servo and make sure all is in order.

It should pull the throttle while doing the test even without a speed signal, because there is no speed signal at a dead stop.
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