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Electric golf carts Harley Davidson, Melex, Pargo, Taylor-Dunn and other Misc. Carts.



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Old 12-19-2015, 08:55 PM   #1
THEHUT
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Default Melex 252 wiring diagram

ran fine no problems today applied throttle no response forward or reverse
fully charged batteries 36 volts showing on multi meter power to and from key switch that's all i know about electric golf carts
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Old 12-19-2015, 09:24 PM   #2
Epb
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Default Re: Melex 252 wiring diagram

Welcome to BGW!
you have the wiper arm so is it moving? F&r switch making contact and clean?
are contacts smooth, flat and clean?
resistor coils not broken? Cables clear of corrosion?
btw 36v is 50% or close to it but it should still move
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Old 12-20-2015, 04:10 AM   #3
THEHUT
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Default Re: Melex 252 wiring diagram

not sure where res coils are it has a round connector bout 2" dia &about 3" long w/4 connector studs on top. battery,key , & i believe rectangle box underneath is f&r module
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Old 12-20-2015, 10:56 AM   #4
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Default Re: Melex 252 wiring diagram

to EPB thank u 4 your reply i am new to this type of conversation about stuff so please bear me
yes i have wiper arm style of f & r works smoothly no sticking of an kind & clean, no corrosion anywhere 36V showing on all battery connectors no voltage drop or surge or clicking sound when depressing throttle peddle in forward or reverse only activate back up alarm when in reverse
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Old 12-20-2015, 03:26 PM   #5
Epb
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Default Re: Melex 252 wiring diagram

Reads like maybe your solenoid is not closing. Check out this diagram and see if the micro is closing and you get 36 v at the solenoid
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Old 12-24-2015, 06:39 PM   #6
THEHUT
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Default Re: Melex 252 wiring diagram

dissembled f/r control cleaned and sanded all 8 contact points found #15 solenoid not working and replaced it starts and runs fine every time now
only problem now is only half throttle in forward only full throttle in reverse
forgot to mention this problem was there in the beginning OOPS
any suggestions ?
thank you for all your help
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Old 12-24-2015, 06:59 PM   #7
Epb
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Default Re: Melex 252 wiring diagram

Reads like you have the leads on the f&r swapped. Reverse is half speed. Review the diagram and make sure wires are connected correctly. You got it going so thats a positive.
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Old 12-25-2015, 07:14 PM   #8
THEHUT
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Default Re: Melex 252 wiring diagram

I'm not sure on the wiring that were not talking about different years or just basic design
i attached photos of what i have and a not so great wiring diagram
i do not know what the round solenoid looking item in center w/ 4 studs is nor the long rectangle box under it is it has 4 studs 2 spade connectors
your wiring diagram shows only 4 wires coming off f/r control and 1 wire to key switch . key switch wire goes to round solenoid looking control

doing the best i can
thanks for all your help
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Old 12-25-2015, 11:54 PM   #9
Epb
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Default Re: Melex 252 wiring diagram

Pictures help you have a controller cart. That box is the controller and connections look pretty bad and could use a good cleaning and repair. There are two microswitches within the f&r that need to fully seat when the lever is put into its respective position. Check that and if you have the serial number i can give u the correct wiring diagram.
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