08-28-2021, 10:36 AM | #1 |
Getting Wild
Join Date: Oct 2016
Location: Gleniffer Lake Resort ALBERTA Canada
Posts: 119
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Motor no reverse
I have a 2007 Precedent that had been in a flood. So I jacked up the cart and disconnected the wire to test the motor function . First off I did an ohmmeter test to be sure there were no dead shorts or open circuits. When that displayed no problems I ran a jumper from A1 to F1 then I took my booster cables from a good 12 volt source and connected the leads to A2 and F2. So far all was good motor started rotating in forward direction and no great arcs and sparks when i made the connections. However when I reversed the power connections the motor still went in forward it would NOT go into reverse no matter how many times i tried the connections. WHAT am i missing?? Also the resistor on the solenoid got so hot it burned the plastic sleeves and the wire broke.
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08-28-2021, 10:57 AM | #2 |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,227
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Re: Motor no reverse
By shorting A1 to F1 you just destroyed the controller. Out of curiousity where did you ever get that idea to check the motor?
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08-28-2021, 04:34 PM | #3 |
Getting Wild
Join Date: Oct 2016
Location: Gleniffer Lake Resort ALBERTA Canada
Posts: 119
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Re: Motor no reverse
If you had read my post fully you would see that I disconnected the wiring from the controller and ISOLATED the motor . At no time was there a connection between the controller and the motor whilei was testing
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08-28-2021, 05:03 PM | #4 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Motor no reverse
To power test a Sepex motor you have to jumper both A1-F1 and A2-F2. To reverse direction, switch the jumpers from A1-F2 and A2-F1. Positive supply should go on A1 and negative on A2. Typically rotation direction doesn't matter, as long as the motor spins it's usually fine.
Good chance the controller was bad from the flooding. Good idea to remove the motor and see if there is moisture inside. If there is it could lead to major issues later on, even if the motor works right now. Check the motor for continuity A1 to A2, and F1 to F2 should have continuity. Any A post to any F post should have NO continuity. Any A or F post to the motor case should have NO continuity. If that checks out pop another controller in it. I would also recommend replacing the main wire harness in the cart because water damage in the wiring will cause you all sorts of headaches. |
08-28-2021, 08:55 PM | #5 |
Getting Wild
Join Date: Oct 2016
Location: Gleniffer Lake Resort ALBERTA Canada
Posts: 119
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Re: Motor no reverse
That certain makes sense . The harness definitely has issues. The cart was from a flood over a year ago.
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