another servo question

**Sun Mar 01, 2015 8:58 am » Post: #1 » Download Post**

Hi all
Can anyone tell me if the RC servo motor from mc21 with pgm111 should work the same when fitted to mc18 with cdi pgm.
cheers

**Sun Mar 01, 2015 11:36 am » Post: #2 » Download Post**

In some cases, there are two different servo's for the MC21. Its the same servo but with a different pin location on the electrical connector. If the wrong servo is connected to the wrong harness it burns the transistors out in the PGM unit.
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If I have to take the carbs off once more...

**Sat Mar 07, 2015 9:35 am » Post: #3 » Download Post**

Is it easy to spot the difference ? Is the colour code on the wiring harness different?

**Sat Mar 07, 2015 11:55 am » Post: #4 » Download Post**

Yes, just check each wire colour [and their positions] match.
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Andy.
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**Sat Mar 07, 2015 6:32 pm » Post: #5 » Download Post**

I have three servos and they all match forthe same colour wiring code.except two have different mount brackets, to the fact that the plastic box that holds the main wiring harness plugs/connectors is smaller. But can change that easily, just wanted to know if those servos were off a earlier or later bike?.
I do have a problem with the original servo perhaps ??. I have a CDI PGM 1and when I drop off the TPS to set RS valves The servo does not go to open . You can turn it by hand and it will reset to close. I wanted to try another servo but dont want too wreck the PGM .
Any thoughts on that one??.