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Old 04-23-2021, 01:44 PM   #1
A/C-SuperCool
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Default EZGO DCS Micro Switch Issue

Hey guys, I have a '99 DCS. I noticed the forward microswitch (73194-G01 Marquardt 1022) was stuck in the closed position. No matter if it's in forward or reverse. However, I have forward and reverse like nothing is wrong??? I did pull the switch out to try & get it to open with NO luck. I do have continuity through it, so its stuck completely closed. Now, when I unplugged it (basically opening the circuit) the cart does NOT operate forward or reverse. I can plug it back in (basically closing the circuit) & it operates just fine with forward and reverse.

Whats the purpose of the switch opening when the cart is put into reverse??
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Old 04-23-2021, 02:23 PM   #2
kgsc
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Default Re: EZGO DCS Micro Switch Issue

That is the run switch. DCR doesn’t have a separate circuit for F and R. That switch closes in both F and R. When in R both switches are closed.
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Old 04-23-2021, 02:47 PM   #3
JohnnieB
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Default Re: EZGO DCS Micro Switch Issue

Quote:
Originally Posted by A/C-SuperCool View Post
Hey guys, I have a '99 DCS. I noticed the forward microswitch (73194-G01 Marquardt 1022) was stuck in the closed position. No matter if it's in forward or reverse. However, I have forward and reverse like nothing is wrong??? I did pull the switch out to try & get it to open with NO luck. I do have continuity through it, so its stuck completely closed. Now, when I unplugged it (basically opening the circuit) the cart does NOT operate forward or reverse. I can plug it back in (basically closing the circuit) & it operates just fine with forward and reverse.

Whats the purpose of the switch opening when the cart is put into reverse??
Like kgsc mentioned, it is the run switch and is closed in both F and R.

The controller defaults to forward and has to be told to do reverse by placing pack voltage on Pin-4 (orange wire).

Having a constantly closed run switch is hardly noticeable. The only abnormal operation I can think of is that the cart would run forward when shift lever was in neutral. Other than that, the cart would operate normally.

Here's a schematic for a DCS with the later type F/R that you have as well as pictures of the F/R assembly in F, N and R.
Attached Images
File Type: jpg Wiring Diagram - Late DCS - No Diode.JPG (88.9 KB, 0 views)
File Type: jpg forward.jpg (181.1 KB, 0 views)
File Type: jpg neutral.jpg (169.1 KB, 0 views)
File Type: jpg reverse.jpg (172.0 KB, 0 views)
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Old 04-23-2021, 05:55 PM   #4
A/C-SuperCool
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Default Re: EZGO DCS Micro Switch Issue

AWESOME!! Thanks for the tech support on that guys. Even though it's running just fine would it be a good idea to replace it? What would you guys do in my shoes??
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Old 04-23-2021, 07:47 PM   #5
JohnnieB
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Default Re: EZGO DCS Micro Switch Issue

I'd replace it. Somebody might expect it not to move in neutral and get a nasty surprise when it did.
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Old 04-23-2021, 09:57 PM   #6
A/C-SuperCool
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Default Re: EZGO DCS Micro Switch Issue

I'll order one in the morning... I do thank you good sir!!!
Where do you guys like to order stuff like this?

Please forgive all the questions, this is my 1st cart!!
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Old 04-24-2021, 12:16 PM   #7
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Default Re: EZGO DCS Micro Switch Issue

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Old 04-24-2021, 01:58 PM   #8
A/C-SuperCool
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Default Re: EZGO DCS Micro Switch Issue

I thank you guys once again!!
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