G642HB_1206HB - External Wiring .pdf
Our Part Number: G642HB
Name: Speed Controller 48V 250amp
List Price: $333.07
Price: $269.00
Core Charge: 100.00
In Stock: Ships in 1-3 Days
Repair Price: $279.00
Interchange Part Numbers
Curtis1206HB 5201
  1206 DC Motor Controller 48V 250 Amp
Cart: E-Z-GO TXT 48, Throttle: ITS
Fits E-Z-GO 48-Volt Models:
2014 TXT
2012-2014 Terrain 250
2011-2012 ST Sport II
2011-2012 MPT 800/1000
2012-2014 Express S4 & L4
2012-2013 Shuttle 4X
2012 Cushman Hauler 800/1000

Our Part Number: G644
Name: DC Motor Controller 48V 400Amp
List Price: $799.98
Core Charge: 300.00
In Stock: Ships in 1-3 Days
Interchange Part Numbers
1268 5403
  DC Motor Controller 48V 400Amp

Our Part Number: G6670101
Name: Powerwise Charger Board
List Price: $135.00
Price: $99.00
Special Price: $75.00
Core Charge: 0.00
In Stock: Ships in 1-3 Days
Interchange Part Numbers
  Manufacturer & Part Number
EZGO 28667-G01
EZGO 28566-G01
EZGO 28566-G03
EZGO 25866-G03
EZGO 28126-G01
EZGO 28126-G03

The Power Input Board is a module board used on Power wise II Chargers. This board regulates the voltage level of the charger and has a built-in AC Detector that senses electrical current to detect the connection status of the circuit from the input board.
• Replaces both the control and power input boards.
• You may need to replace your 50 amp fuse as well as the diodes in your charger. These typically go bad when you have a faulty control board
Fits on 1996-2008 E-Z-GO Electric 36 Volt TXT, Medalist, ST Sport and Clays Car Vehicles with the 36 Volt Power wise II Chargers
Questions and Answers regarding the operation and repair of your Power Wise Battery Charger
Q: My charger is overcharging my batteries.
The charge rate is controlled by a control board located inside the charger case. If the charger won't stop charging when the batteries are fully charged, the control board is most likely faulty.
Q: My Charger plug gets hot when I am charging the battery
This is usually caused by corrosion or bad connections in the charge plug handle. Open it up and inspect the connections. If you see a darkening of the terminals or corrosion, replace the contacts and tighten up the screws make sure you do not loose the magnet when you open the handle. It has to be in there to activate the switch on the golf cart that prevents it from running when it is being charged.
Q: My Batteries are dead and my charger won't turn on
The Power Wise charger must read an appropriate voltage from the battery before it will turn on. If the batteries are dead, the charger doesn't know what is connected to, and won't start
Q: My batteries are completely dead, how do I get the charger to turn on?
You need to charge the batteries individually with an automotive battery charger until they produce enough voltage for the charger to turn on. You can also use jumper cables to connect you battery pack with another golf cart of the same voltage. The current will pass from the other cart to yours and show the charger enough voltage to turn on.
Q: My batteries are not completely dead, but the charger won't turn on
The first thing I check is the fuse. If it is ok, then test the diodes
Q: The fuse is ok, the diodes are ok, and my charger still won't turn on.
If the fuse is good, and the diodes check ok, and the batteries are not dead, the control board is probably faulty.
Q: My charger turns on, but won't show a charge on the meter
If the charger clicks on but the meter does not show a charge, it may be the meter, but more likely, it is the capacitor. The capacitor is what turns down the charge rate as the batteries reach full charge.
Q: My cords are cracked or frayed, can I fix them?
Sure, just take them out of the case and cut the frayed portion off and re-install the proper terminals, replace the cord in the stress reliefs and re-install the cords. in the charger. Replacement cords are available here on the website.
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