New Guy...2007 Prowler XT....Speedo Not Working - Arctic Cat Prowler Forums: Prowler UTV Forum
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post #1 of 10 (permalink) Old 10-13-2011, 05:11 PM Thread Starter
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New Guy...2007 Prowler XT....Speedo Not Working

Hello All,
I just picked up a used 2007 Prowler XT.
All in all was in good condition. The Speedometer doesn't work (but the Tach does).
Thinking it would be like a car, I looked for a Speedo cable into the engine/Tranny, but didn't see one.
Is it electronic, rather than mechanical?

Any suggestions on what to look at, etc would be greatly appreciated!
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post #2 of 10 (permalink) Old 10-13-2011, 09:24 PM
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electrical.

I have no direction to point you.

I am having the opposite problem on my 1000 the spedo works but not the tach.
just went on the fritz the other day.

The tach only works once up over 3500rpm.
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post #3 of 10 (permalink) Old 10-13-2011, 10:53 PM Thread Starter
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Ha...bummer
I guess I don't "need" the speedily, but hat
e to have something so obvious not working.
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post #4 of 10 (permalink) Old 10-14-2011, 11:14 AM
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Double check your harness.. under the dash and particularly the conection under the drive seat into the ECU. While the connection under the dash is pretty tight, the one into the ecu tends to be a little loose. Could have got some dust, dirt or condensation in there. Also where the harness runs through the chasis (under dash) is real tight and could have pintch or rubbed around.
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post #5 of 10 (permalink) Old 10-14-2011, 04:32 PM Thread Starter
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Sweet.........thanks for the info!
I will check it when I get home and let you know if that was it.........
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post #6 of 10 (permalink) Old 10-15-2011, 11:20 AM Thread Starter
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Well, I pulled the dash back and the connection on the back appeared to be tight.
I looked under the driver's seat and think I see the ECU (just outboard the fuse panel) with many wires in the connector.......I pulled that and reinstalled, seemed tight.

Still no speedo.........

I tried to follow the wiring from the dash looking for an issue, but didn't see anything.

Where is the sensor on the engine?
What color are the wires?
Maybe I can start there to track it up......
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post #7 of 10 (permalink) Old 10-16-2011, 01:07 PM
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Quote:
Originally Posted by RugSnacker View Post

Where is the sensor on the engine?
What color are the wires?
Maybe I can start there to track it up......
found this in the manual:

��
NOTE: Prior to testing the speed sensor, inspect

the three-wire connector on the speed sensor for
contamination, broken pins, and/or corrosion.
1. Set the meter selector to the DC Voltage position.
2. With appropriate needle adapters on the meter
leads, connect the red tester lead to the voltage
lead (V); then connect the black tester lead to
the ground lead (G).
PR279A
3. Turn the ignition switch to the ON position.
4. The meter must show approximately 6 DC volts.
5. Leave the black tester lead connected; then connect
the red tester lead to the signal lead pin (S).
6. Slowly move the vehicle forward or backward;
the meter must show 0 and approximately 6 DC
volts alternately.
��


NOTE: If the sensor tests are within specifications,
the speedometer must be replaced


According to the wiring diagram should be a sensor on left side of engine with pink/ white..pink/blue..pink/black

If you dont have manual and wiring diagram can download from
"K&T Parts House Lawn Mower Parts and Chain Saw & Trimmer Parts"

The wiring diagram is fourth line item, huge file though..some 500+ pages covering 10 years..both sleds and wheelers. pg 94

If having trouble downloading PM me with your email and I will send it to you.

good luck

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post #8 of 10 (permalink) Old 10-19-2011, 12:01 PM Thread Starter
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Well, I had the 6Vdc supply voltage on "V" and "G" (it was 6.4 Vdc)
I jacked up the back of the Prowler, put it in gear and monitored "S" and "G" while I gave it gas and had the rear tires spinning.
The entire time I had 8 Vdc and it wasn't pulsing???
How the 6Vdc supply came back as 8Vdc on the Signal line, I don't understand.
Maybe it wasn't coming out of the sensor, but rather coming back down the "S" wire???
Hmmmm...I just thought of that....maybe I will pull the plug from the sensor and check the voltage tonight when I get home.
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post #9 of 10 (permalink) Old 10-19-2011, 05:45 PM
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could it be a fuse? just an idea im no electrician
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post #10 of 10 (permalink) Old 10-19-2011, 06:02 PM Thread Starter
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I ran home at lunch and pulled the connector to the speed sensor.
Verified I had the 6Vdc supply between the Pink/Blue (6Vdc supply) and Pink/Black (Ground)..........all is good here.
Then checked between the Pink/White (Sensor Signal) and Pink/Black (Ground).....and I had 8.4 Vdc with the plug removed?????
Prowler was stopped..........no pulses, just a steady 8.4Vdc.

It must be getting fed back from the Dash, etc.

I will try to pull back the Dash tonight and disconnect from the back of the Gauge Cluster......then recheck at the sensor to see if the 8.4Vdc is still there.
Try to figure out where that signal is coming from.
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