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Old 09-05-2020, 05:15 PM   #1
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Equalizer System auto leveler voltage or wiring issue

Good afternoon all!

Hopefully you are out enjoying your Labor Day weekend more successfully than I am.

Basics: 2017 Jayco Greyhawk with Equalizer System auto leveler seen in attached pictures (keypad, keypad back). Bought the rig new over three years ago and leveler has worked fine until very recently.

Now I get a “low voltage” warning light when I power the system on and all the other buttons are unresponsive or give only a beep. It will power down if I press the power button again.

Looking at the attached drawing - page 1 (12V DC wire harness…..), I am supposed to have two yellow wires, one white wire and one brown wire that feed the level control panel (section 11A). What I have instead are red, black/white, brown/white and green/white. Interestingly enough, there is another cable that is in the area, and it has two yellow wires, one white wire and one brown wire, however, the yellows are spliced together with a pink, the brown is butt spliced to a black and the white was left dangling. See pictures. The wire harness is wired up with the wrong (?) wires as shown in the picture (connector wiring).

I took voltage readings as follows:
Red – Blk/W 8.9 V
Red – Brn/W 8.9 V
Red – Grn/W 14.63 V
Blk/W – Brn/W 0 V
Blk/w – Grn/W 5.75 V
Brn/W – Grn/W 5.75 V

Voltages to ground, at least the best ground I could find:
Red – GND 11.05 V
Blk/W – GND 2.17 V
Brn/W – GND 2.17 V
Grn/W – GND 3.59 V

If anyone has this system and can take voltage readings on the back of their wire harness, I would appreciate it. I’m trying to figure out if I have a ground somewhere, or the wiring is completely improper as it does not seem to follow the drawing at all. Anyone have a tech manual for the Equalizer System itself so I can see what voltages it is supposed to be receiving? Any other suggestions would be greatly appreciated! Thanks!

Mike
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Attached Files
File Type: pdf 12V DC wire harness drawing A-1 0036290_S_1-3_062716.pdf (197.8 KB, 2 views)
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Old 09-05-2020, 09:50 PM   #2
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I have the same system and had a similar problem. I had to charge batteries to get it to work, eventually I replaced them, problem solved.
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Old 09-05-2020, 10:18 PM   #3
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Quote:
Originally Posted by bhammond1980 View Post
I have the same system and had a similar problem. I had to charge batteries to get it to work, eventually I replaced them, problem solved.


Thanks for the reply! I’m on shore power and still no luck. I’ll check the coach battery voltage again tomorrow with the battery disconnected. I checked the voltage at the battery terminals today with the battery hooked up and it was 12.9 volts.
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Old 09-06-2020, 08:30 AM   #4
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Checking the coach battery this morning after charging on shore power overnight, the coach battery is 13.30 V - after shore power was disconnected.

Same indications on the keypad. Low voltage LED. Pressing auto-level or retract all results is a beep, but no action. Pressing any of the leg buttons results in no action or noises. The panel will power down using the power button.

Unplugging and replugging the wire harness into the back of the keypad yields an alternating rapid tone for about a second, then it goes silent and the low voltage light remains lit, along with the power light and the lights for each of the four button pairs.
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Old 09-06-2020, 05:07 PM   #5
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You have a low voltage condition. Check the wires at the voltage source, and work your way toward the controller. There is likely a place where there are bad connections.
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Old 09-07-2020, 10:44 AM   #6
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Quote:
Originally Posted by HarryStone View Post
You have a low voltage condition. Check the wires at the voltage source, and work your way toward the controller. There is likely a place where there are bad connections.

X’s 2 if it worked as you stated for 3 years it is not wired wrong colors really mean nothing. I would have your batteries load tested. Check the ground also as stated. I would also check the voltage output from the convertor
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