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GTA 500 Ultra Tech Question

Sven

Well-known member
There are two plugs in the back of the control housing. Underneath these plugs are two trimpots.
Anyone know what they adjust. The GTA has been adjusted by previous owner in an attempt to solve a problem.
I found the problem being two coil connector wires broken in the connector.
So if I know for sure what those two trimpots adjust I can get it back to factory specs.
I am guessing one is for ground balance and the other might be for disc bias.
Figured before I play with the adjustments would like to know what they adjust.
 
I figured it out.
After fixing the wiring on the coil connector. It was easy to determine which trimpot controlled what.
Both pots were adjusted way out of whack. It now works great.
 
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