Mounting a Western Unimount rig on my 2005 GMC 2500HD? - Snow Plow Forum - Let's Talk Snow Discussion Forums
 
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post #1 of 15 Old 01-30-2019, 04:30 AM Thread Starter
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Mounting a Western Unimount rig on my 2005 GMC 2500HD?

Mounting a Western Unimount rig on my 2005 GMC 2500HD?

Good Morning!

After years away from plowing snow, I recently picked up a Western UniMount plow set-up. The plow was set-up on a '88-2000 Chevy/GMC, including mounts & wiring harness, as well as Western 3529 mount & Western 27170 conversion mount.

I'm hoping these will allow me to mount the plow on my 2005 GMC - am I correct?

Ant thoughts, comment appreciated ….

God bless the USA!
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post #2 of 15 Old 01-30-2019, 01:29 PM
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So you have the ultramount mount for your truck with the unimount adapter correct?

How many plugs does the plow have on it now?
Do you have any wiring on your new plow truck?
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post #3 of 15 Old 01-30-2019, 03:38 PM Thread Starter
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Answers

Quote:
Originally Posted by Knucklebusta View Post
So you have the ultramount mount for your truck with the unimount adapter correct?
How many plugs does the plow have on it now? Do you have any wiring on your new plow truck?
1 - Yes

2 - Two

3 - No, but have the truck side power cables/solenoid & truck side original 12 wire control cable

Thanks

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post #4 of 15 Old 01-30-2019, 08:08 PM
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Your either going to have to buy a whole 3 plug straight blade ultramount wiring truck side, and the corresponding plow side wiring.
or, if you are handy at wiring, you can install a few relays and a switch to operate the lights. Then you wouldn't have to buy all 3 plug wiring. Then you would just have the unimount wiring to install.
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post #5 of 15 Old 01-31-2019, 02:31 AM Thread Starter
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Quote:
Originally Posted by Knucklebusta View Post
Your either going to have to buy a whole 3 plug straight blade ultramount wiring truck side, and the corresponding plow side wiring.
or, if you are handy at wiring, you can install a few relays and a switch to operate the lights. Then you wouldn't have to buy all 3 plug wiring. Then you would just have the unimount wiring to install.

Thanks!


So basically the relays are for the lights only, correct?

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post #6 of 15 Old 01-31-2019, 07:03 AM
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Yes. All the plow functions are controlled by the controller.
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post #7 of 15 Old 02-01-2019, 02:37 PM Thread Starter
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Another question

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Originally Posted by Knucklebusta View Post
Yes. All the plow functions are controlled by the controller.
Thanks - here's another question

I have the chance to pick up a new, complete harness from a 03 to 09 dodge 2500 3500 (including the 3 port isolation module (PN 29070-1) - would this be the same as the harness I need?


Thanks again!

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post #8 of 15 Old 02-01-2019, 03:11 PM
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I do not know. Maybe goto westerns website and plug in the info in both trucks and see if the part numbers are the same
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post #9 of 15 Old 02-01-2019, 06:14 PM Thread Starter
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Harness

Thanks Knuck!

Followed your suggestion, the only difference appears to be the headlamp harness - if I get one of those I can use the rest.

Last question - could I use the new cab harness to operate the old lights/hydraulics, or do I have to change those as well?

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post #10 of 15 Old 02-02-2019, 01:25 PM
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The light harness should be different, other then that I'm not sure what would match up or not.
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post #11 of 15 Old 02-02-2019, 02:42 PM
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If your new/used unimount is a two plug, you will need to replace the plow side harness to a three plug. You can use the battery cable, but the light and motor harness will have to be replaced. And the light harness may need to be lengthened to the right side lamp.
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post #12 of 15 Old 02-03-2019, 09:46 AM Thread Starter
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Help

Thanks everyone for the help!

I have an update - I had the chance to pick up a complete 3 Pole Isolation Module system (29070-1) with full wiring harness. Looks like everything will be plug-n-plat with my truck, except for one obvious exception - the cab controller harness leg is a 4 wire, and my existing joystick controller is a 6 wire.


What are my options?


Thanks for the continued help!

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post #13 of 15 Old 02-03-2019, 03:46 PM
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If the in cab wiring is 4 pin then its fleet flex.
To get that to operate your unimout plow is almost impossible.
It will cost you to much in wiring to make it worth it. Might be cheaper to sell the plow and buy a newer fleet flex ultramount.
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post #14 of 15 Old 02-03-2019, 04:32 PM
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Lets see if we can do this a little simpler. Does your truck have daytime running lights, if yes, can you turn them off? If that is a yes. You have a unimount, just get the unimount controller harness. Wire in a toggle switch for the plow head lamps, your done.
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post #15 of 15 Old 02-03-2019, 05:32 PM Thread Starter
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Please clarify

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Originally Posted by dieseldude View Post
Lets see if we can do this a little simpler. Does your truck have daytime running lights, if yes, can you turn them off? If that is a yes. You have a unimount, just get the unimount controller harness. Wire in a toggle switch for the plow head lamps, your done.
I'll check in the morning, thanks!

In the meantime, do you know the part # of the controller harness you referred to? Thanks!

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