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Unread 04-13-2019, 06:24 AM   #1
Not Yet Wild
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Talking EZGO PDS Dcx to Xct controller upgrade

First and foremost, big thanks to Scotty B for all his patience with the multiple emails back and forth.

Going from DCX 400 to XCT 400 and upgraded solenoid. FN2 shift on the fly as well. Will take photos of the before to assist with cable placement and hook up. But for those that have done this, any advice or tips to assist with the process would be greatly appreciated.

More importantly anything I should avoid?
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Unread 04-13-2019, 06:58 AM   #2
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Default Re: EZGO PDS Dcx to Xct controller upgrade

You can never take too many photos. Photo the controller from several angles, to make sure you get useful pics of all the wires/cables.
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Unread 04-13-2019, 08:26 AM   #3
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Default Re: EZGO PDS Dcx to Xct controller upgrade

another thing that helps with the photos is to write it down, like a procedure what and how where each connection goes. you can never have enough info to help you.
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Unread 04-13-2019, 11:38 AM   #4
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Default Re: EZGO PDS Dcx to Xct controller upgrade

So, I completed the swap. Hooked up battery and turned key, controller lit up. All was good. Tested movement forward and reverse, all great. Went to zip tie and button up install and sure enough, tried again and nada. Controller doesn't light up or give error codes.

Where should I start? I checked key switch and battery fuse and fnr switch. All looks good.
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Unread 04-13-2019, 12:17 PM   #5
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Default Re: EZGO PDS Dcx to Xct controller upgrade

Bump, hoping someone can help as I'm just here staring at the cart. Lol
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Unread 04-13-2019, 12:27 PM   #6
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Default Re: EZGO PDS Dcx to Xct controller upgrade

Did you ever actually drive the cart, or just get the wheels to turn f/r ?
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Unread 04-13-2019, 12:39 PM   #7
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Default Re: EZGO PDS Dcx to Xct controller upgrade

You need one of the experts, and unfortunately thatís not me. Iím only capable of throwing out a couple of guesses, some things to check while youíre waiting.
If the cart ran initially, (you didnít say how long) you must have had everything hooked up correctly. I think Iíve read that a backwards diode can blow microswitches. Make sure it was installed correctly. The other guess would be that you moved something that wasnít tight when you were cleaning up the wiring. Have you checked all wires?
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Unread 04-13-2019, 12:42 PM   #8
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Default Re: EZGO PDS Dcx to Xct controller upgrade

Seems like the install was a success. The cart ran and then zip ties were installed and install was buttoned up. Not sure what that means but, this stopped the cart from running so remove the zip ties and unbutton things up? Maybe something got pulled ( unplugged) when zipping and buttoning

P.S.
This controller does not get the environmental cover put on it.
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Unread 04-13-2019, 12:54 PM   #9
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Default Re: EZGO PDS Dcx to Xct controller upgrade

Quote:
Originally Posted by Mancebo View Post
So, I completed the swap. Hooked up battery and turned key, controller lit up. All was good. Tested movement forward and reverse, all great. Went to zip tie and button up install and sure enough, tried again and nada. Controller doesn't light up or give error codes.

Where should I start? I checked key switch and battery fuse and fnr switch. All looks good.
Since you were zip tying the cables, I suspect a plug got pulled a little. Make sure all plugs are fully seated.

If that doesn't do the trick, disconnect charger and computer, if they are connected, and break out the DVM.

To get an XCT48400-PDS to power up, you need battery pack voltage on J1 Pins 4, 5 and 8. (Unlike the stock PDS controller, you don't have to have a direction selected to power up an XCT)
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Unread 04-13-2019, 01:02 PM   #10
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Default Re: EZGO PDS Dcx to Xct controller upgrade

Yep, didn't have cover in Dcx. Checked all wires. Nothing is loose. Pack is at 38.5. keep in mind, when I connected battery first time, got a series of flashes, guessing four, and solid green. So I'm guessing everything was connected right. Then pressed peddle with hand while cart was in front, and moved an inch forward, tried the same after reverse and an inch back. All was well. The only wire that was a headache was the blue wire going to new solenoid. But figured that out and all was good. Not sure if there is another fuse I'm missing.

Anything I can check without removing everything?
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