Snow plows Ihave a myers e47 plow pump operates very slow changed elec motor seals in pump it still dims the lights when you use . THANKS BILLY

Are we talking about a snow plow that is connected to the front of a vehicle? I would check to see if there was an obstruction in the hoses that operate the right to left movement. Also see it there is something jammed in the plow limiting or restricting its movement.

Dear Lawnie,
If you have a plow, that tells me you live where it i cold.
If so, perhaps you have salt used on roads and highways.
That salt can damage your plow, as well as your vehicle.
I think you may have salt or rust damage that is slowing down your pump.
If not, I would suspect one or more of your joints is freezing up.
Unfortunately, I think your plow may not have nuts & bolts to take it all apart and check each and every joint.
Many parts are probably welded together.
See if you can isolate the "stiff" joint or the pump itself for replacement.
God bless your efforts.

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Oct 11, 2006 - 25 posts - ‎8 authors
They both work when I hook up the battery charger to them. ... This way,the plow lights only come on when the plow is plugged in,and ... A relay equivalent to Napa part #AR272 is good, if you give the number at Advance or Autozone they can cross reference it. 92 Dodge Dakota - 7'6" Snoway MT with DP ...Missing: 2008

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Bad hose

mine did the same thing bump the blade to push the cylinder back in .if low on fluid use only Meyers fluid only

Number one the plow headlights should be seperate from the vehicle. Get a new harness for the plow on ebay for cheap and have it installed. In the long run it will be cheaper.

I think you have a problem with the plow motor grounding out. when you raise or turn plow in either direction you have to run the plow motor which is grounded out. ( as in hooking the ground and positive together directly ) the plow is on a gravity drop when you let it down by the weight itself and does not require the motor for the plow to operate. It's your plow motor or the positive feed to selonoids.

snow plows use alot of juice check state of battery if battery good check altnernator output may need to go with higher amp alternator or add a second battery

first thing to do is clean all connections leading to plow power and grounds (all of them ) and make sure there tight clean battery cables as well

next thing i would do is have battery load tested as this is probley the main cause as alternaotr working so hard to keep up it takeing all power from motor

if battery test out ok replace alternator with higher amp alternator

if still have problem after all that add a second battery to truck

Dis you check the hydraulic fluid in the pump? If the fluid is low, you probably have a broken hose or a blown seal on one of your rams. If the fluid is full, you probably have a bad pump.

You have a hydraulic valve leaking in the pump.