truck stalls when using dump body

Discussion in 'Lawn Mowing' started by General Grounds, Apr 25, 2004.

  1. General Grounds

    General Grounds LawnSite Senior Member
    Posts: 902

    :blob3: well here the problem when i operate my dump body the truck runs eractic and if i dont keep steady pressure on the gas pedal it will stall, as soon as i back off the switch it runs fine. i recently changed the altinator and has a new battery from before winter, really not sure what else to look for, any help. tony
     
  2. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,504

    sounds like the hydraulic motor is pulling alot of amps and the alternator isnt putting out enuff to keep up. you may need a special high out put alternator or go to a dual battery set up to keep enuff voltage in the system to operaste the truck and trailer at the same time
     
  3. General Grounds

    General Grounds LawnSite Senior Member
    Posts: 902

    :blob3: i have an high output alt, and bual battery setup, both batteries are new in oct.
     
  4. skmodmsl

    skmodmsl LawnSite Member
    Posts: 74

    What make make, model, and year truck ? I seem to remember a friend mentioning something similiar to your predicament on a recent Ford. An electical aftermarket accessory was added to the truck. When using the new toy the truck would stall. If I remember correctly it had to do with a computer glitch.
     
  5. General Grounds

    General Grounds LawnSite Senior Member
    Posts: 902

    :blob3: its a1990 chevy 3500.
     
  6. DJL

    DJL LawnSite Member
    Posts: 237

    What you really need to do is find the documentation on both the motor/pump for the dump and alternator and battery/s for the truck. If the motor requires 10 amps and your alternator gives 8 (even though it is new) you will have the truck stall.

    Also, make sure all other electrical sources are off (i.e. lights, radio, a/c, etc.) Basically, you will maximize the amperage (power) to your dump motor.

    How about the idle RPM's on your truck? Is it running too low?
     
  7. General Grounds

    General Grounds LawnSite Senior Member
    Posts: 902

    :blob3: for all this time there was no problem seems like it started from nowhere. tony
     
  8. Eric 1

    Eric 1 LawnSite Bronze Member
    Posts: 1,220

    Sounds like you dump motor is shorting out or grounding some were. Check all the wires and connectors.
     

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