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Old 12-07-2022, 09:57 PM   #1
PuttPutt
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Default Switched on/off power

We are installing the eco battery voltage reducer in a 2015 ydrex6 AC, looking for a 48 volt switched power source. I don't want to embarrass myself but so far it seems to be the large terminal on the solenoid. Any help, suggestions greatly appreciated. Thanks.
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Old 12-08-2022, 07:20 AM   #2
jasonojordan
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Default Re: Switched on/off power

So if I am looking at the right diagram for the right converter it shows an orange wire can be run to the key switch to use as a trigger to turn on and off the reducer.
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Old 12-08-2022, 09:20 AM   #3
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Default Re: Switched on/off power

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Originally Posted by jasonojordan View Post
So if I am looking at the right diagram for the right converter it shows an orange wire can be run to the key switch to use as a trigger to turn on and off the reducer.
yep I have the quickstart guide, which say to connect to switched B+ power source such as the on side of the key switch. The Yamaha key switch is only
just under 5 volts not pack B+ voltage. Will 5 volts activate the converter?
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Old 12-08-2022, 09:22 AM   #4
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Default Re: Switched on/off power

You may have to add a relay to switch the power to the converter if the key switch isn't at 48V. I don't know anything about the newer Yamaha drives. My two are 2009 and 2012 and they have 48V on the key switch.
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Old 12-08-2022, 09:29 AM   #5
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Default Re: Switched on/off power

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Originally Posted by Volt_Ampere View Post
You may have to add a relay to switch the power to the converter if the key switch isn't at 48V. I don't know anything about the newer Yamaha drives. My two are 2009 and 2012 and they have 48V on the key switch.


Will recheck my voltage readings.
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Old 12-08-2022, 10:19 AM   #6
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Default Re: Switched on/off power

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Will recheck my voltage readings.
Not sure how you would end up with 5v. Where did you have the leads of your meter at while testing that it came up with 5v.
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Old 12-08-2022, 10:20 AM   #7
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Default Re: Switched on/off power

I have 48 volts at my key on drive 2
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Old 12-08-2022, 11:54 AM   #8
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Default Re: Switched on/off power

The factory AC car has 5 volt logic at the key switch
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Old 12-08-2022, 01:01 PM   #9
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Default Re: Switched on/off power

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The factory AC car has 5 volt logic at the key switch
Thank you rstacy, Can I activate a relay switch by connecting to switch wires?
Any suggestions where to grab switched pack voltage other than main cart relay?
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Old 12-08-2022, 04:31 PM   #10
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Default Re: Switched on/off power

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Originally Posted by PuttPutt View Post
Thank you rstacy, Can I activate a relay switch by connecting to switch wires?
Any suggestions where to grab switched pack voltage other than main cart relay?
I don't know what voltage your relay is looking for but please careful when attaching a relay to the 5-volt line. Be sure to use a diode to prevent damage to the controller. The diode will absorb the energy stored in the relay coil when you shut the current off.
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