As mentioned in posts above, the slide controller is likely a current limiting type. A lot of the Powergear current limiting ones are not adjustable, but some are. Lippert Components (owns Powergear) should be able to tell you if your's is. The controller will have a part number on it. The suggestion of running the engine at fast idle will probably help. The higher the voltage the less amperage (current) that is necessary to develop the same power, so the controller will not cut out as easily. As also mentioned in the other posts, the slide may be out of adjustment causing it to bind. Have you checked the alignment of the graphics on the outside of the slide with corresponding ones on the walls of the coach? If they don't line up reasonably well this may be an indicator that the slide height has changed (unless Fleetwood adjusted the slide after the coach was painted/graphics applied). Adjusting the height is easy. Also, have you noticed if there is a gap on one end of the slide when closed and viewed from the outside? If so, this may be an indicator the timing from side to side of off. Since yours is the single motor type, adjusting the timing is probably easy also. Bad wiring is also a potential culprit. The highest current draw usually will occur with the slide going up the ramp on retraction. Since you are having a problem on the outbound and inbound, that would lead me to think it is a binding problem and not wiring.
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