Change Shock/Preload - Now Preload Error - GL1800Riders
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post #1 of 8 (permalink) Old 05-18-2017, 08:11 PM Thread Starter
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Change Shock/Preload - Now Preload Error

I'm buttoning up the bike from changing out the entire rear shock and preload with a Race Tech complete unit (rebuild). I turn on the bike and everything is fine till I go to adjust the preload. It says it's at setting 25 - probably where I left it. When I adjust it up or down I get a big "Error, Preload Adjustment" on my screen (2006 GPS unit).

Is there a step I've missed? I've taken the battery terminal off for 10 minutes once already. 99% sure everything is connected. The motor engages before the error appears.

I'll see what you guys can provide, but if I have to I'll call Race Tech tomorrow afternoon. Thanks.

2006 Honda Goldwing Navi
2003 Valkyrie Standard
2002 Bushtec Quantum GL
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post #2 of 8 (permalink) Old 05-18-2017, 09:25 PM
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A bad relay under the seat will cause this. You could switch relays with one of the others to see if this is the problem

2008 Titanium Gl1800
G709 @ 39 psi
Yokohama Avid Envigor ZPS RFT @ 28 to 30 psi
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post #3 of 8 (permalink) Old 05-18-2017, 10:08 PM
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Just a WAG. Can you plug in the actuator that you removed, turn on the key and run it down to zero. Then hook back up to the new one and see what happens.


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2004 VTX1800N3 Red, Darkside Goodyear Assurance Tripletred 205/60/R16
2008 GL1800 ABS/NAV Red, Darkside #1273
[B]Michelin Primacy Alpin PA3 195/55/16 / [COLOR=#000000]Yokohama Avid Envigor ZPS
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post #4 of 8 (permalink) Old 05-19-2017, 07:22 AM
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Make sure the wiring plug is clean and well seated.
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post #5 of 8 (permalink) Old 05-19-2017, 07:53 AM
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[QUOTE=Ironhorse1800;4362145]Just a WAG. Can you plug in the actuator that you removed, turn on the key and run it down to zero. Then hook back up to the new one and see what happens.[QUOTE]

When I replaced the rear actuator and spring on my 04, had to set the preset to zero on the bike. If you can get the preset to 0, should solve your problem.

Still more traveling to do!
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post #6 of 8 (permalink) Old 05-19-2017, 08:11 AM Thread Starter
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Quote:
Originally Posted by Ironhorse1800 View Post
Just a WAG. Can you plug in the actuator that you removed, turn on the key and run it down to zero. Then hook back up to the new one and see what happens.


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[quote=alawinger;4362601][QUOTE=Ironhorse1800;4362145]Just a WAG. Can you plug in the actuator that you removed, turn on the key and run it down to zero. Then hook back up to the new one and see what happens.
Quote:

When I replaced the rear actuator and spring on my 04, had to set the preset to zero on the bike. If you can get the preset to 0, should solve your problem.
Unfortunately, I already sent the core back. Hopefully, if that is the problem, there's another way.

2006 Honda Goldwing Navi
2003 Valkyrie Standard
2002 Bushtec Quantum GL
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post #7 of 8 (permalink) Old 05-19-2017, 08:17 AM
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Change Shock/Preload - Now Preload Error

I believe the issue is the bike side thinking 25. A signal to go down is responded to signal that the actuator can't go that way - error!

If ... @techdude2000 can tell you which pair of contacts on the actuator to apply 12v positive and ground so as to get it pumped up to the top, that would get the actuator and the bike side controller back in sync.

I seem to recall somebody having this issue before. I'll start searching for the thread.

Edit.

Try this one. Read the entire thread first. If other attempts fail, it might require opening the actuator.

Preload Adjust Error

And this one:

Suspension Adjuster Error Message

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2004 VTX1800N3 Red, Darkside Goodyear Assurance Tripletred 205/60/R16
2008 GL1800 ABS/NAV Red, Darkside #1273
[B]Michelin Primacy Alpin PA3 195/55/16 / [COLOR=#000000]Yokohama Avid Envigor ZPS

Last edited by Ironhorse1800; 05-19-2017 at 08:35 AM.
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post #8 of 8 (permalink) Old 05-19-2017, 12:23 PM
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I had a similar problem recently. It came up after mine had sat all winter and I was starting some preventive maintenance. I had mine triked last summer and they used the factory preload adjuster and mounted it to the new rear shock. It did happen once just after having it triked on a long trip where it got stuck and the error message came up. A day after coming back and it sitting overnight, it started working again. Fast forward to this spring and the same problem came back. It would go up sometimes but not back down and the error message would come up. I tried all kinds of troubleshooting including swapping the relays, checking the connections, etc... What fixed it for me was installing a new battery. The one in there was pretty old and I'm not sure how old as it was in there when I bought the bike so it was due anyway. Over the winter, I did use a battery maintainer but because the age of the battery, it just wasn't enough. A new fresh battery got the suspension working right away.

Mike K.

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Purchased- Jul 99
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