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  #11  
Old 09-06-2018, 10:33 AM
sglynn's Avatar
sglynn sglynn is offline
 
Join Date: Mar 2008
Location: Anacortes, WA
Posts: 640
Default Trim wires

Quote:
Originally Posted by Mich48041 View Post
To sglynn,
I think that you are correct about wires being connected wrong.
Try switching the wht/green and wht/blue wires with each other.
Joe
Yes it appears from testing that ORANGE is the common currently coming from the ACM unit. And I think BLUE is suppose to be common. So I'm going to swap blue and orange and give it a try. I'll see the result. I hope miss placing these two wires didn't damage the trim servo motor. Replacing it is easy enough.

The other ideas on crimping and soldering are welcome, but I'm getting continuity, just not proper function.

PS, the pitch trim works so well, that I know there is hope.
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  #12  
Old 09-06-2018, 11:04 AM
Mich48041 Mich48041 is offline
 
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Location: Riley TWP MI
Posts: 2,678
Default

The trim motor is a completely separate circuit than the indicator. So no matter how the indicator is wired, it will have no affect on motor operation.
According to Van's schematic:
WHT/ORG is ground.
WHT/BLU is 5 volts.
WHT/GRN is signal.
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  #13  
Old 09-07-2018, 09:04 PM
AirHound AirHound is offline
 
Join Date: Oct 2006
Location: OFallon IL now, everywhere before
Posts: 211
Default

Quote:
Originally Posted by John-G View Post
Steve -

Getting a good crimp on the tiny pins used for the trim motor's Molex connector can be problematic ... as a review of past VAF posts will reveal. Fortunately, I had tiny jaws for my crimping tool and have not yet had any issues to this point.

However, that said, should the wiring to that tiny connector ever show the slightest hint of trouble, I absolutely would NOT repair the offending pin(s) and reuse that tiny Molex connector. Instead, I would suggest considering converting to male and female pins used in the DB connectors. After crimping the new DB male/female connector pins in place, mate the pins and slide a piece of TIGHT fitting heat shrink tubing over the pins then shrink ... you will end up with a long lasting trouble free connection that can easily be taken apart later should the trim motor need repair. The heat shrink will shrink down tight around the pins and will prevent them from coming apart on their own. Food for thought.

Happy flying,
I believe the original white colored 5 pin Molex connector is no longer available in the market place.
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  #14  
Old 09-08-2018, 04:30 PM
sglynn's Avatar
sglynn sglynn is offline
 
Join Date: Mar 2008
Location: Anacortes, WA
Posts: 640
Default aileron trim indicator

Fixed.

Turns out the erratic aileron trim indicator issue was a setup in SkyView. I discovered this only after completely dismantling my connectors and the trim motor, testing everything, and found everything wired 100% correct.

In SkyView SETUP under HARDWARE > EMS > Aileron there is a calibration for the trim motor. Imagine trim calibration under EMS. geeezzz. It doesn't even plug into the EMS. Anyway, this menu has you move trim all the way right, then all the way left and wallah, it works. Trim indicator now moves smoothly with changing aileron trim.

No onto fuel level calibration with capacitance plates. This should be fun.
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