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Is my battery getting weak?

Discussion in 'Meyer / Diamond Products Discussion' started by BPK63, Dec 7, 2008.

  1. BPK63

    BPK63 Senior Member
    from CT
    Messages: 244

    Not sure how to test this. E47, go to lift and the truck wants to stall. The alt meter has always dipped when I lift it over the years but now if I don't rev the engine a little it will stall. Seems to start fine, I put new battery cables on the truck a month ago and new cables on the pump. Otherwise seems to work fine. The engine is idling a little low and I'm wondering if that's it. 5 year battery probably going on 4 years old.
     
  2. wild bill

    wild bill PlowSite.com Addict
    Messages: 1,239

    e-47

    :salute:put a amp gauge on the plow motor ,and find out if and how much the truck is charging ,it could be a lot of thing's or one ,process of elimination .
     
  3. CARDOCTOR

    CARDOCTOR PlowSite.com Addict
    Messages: 1,310

    What kind of truck

    JR
     
  4. BPK63

    BPK63 Senior Member
    from CT
    Messages: 244

    It's a 92 Chevy K1500. Seems to be charging fine. Starts fine. I'm wondering if the idle is just too low when it warms up.
     
  5. BPK63

    BPK63 Senior Member
    from CT
    Messages: 244

    OK I could really use some ideas as this problem seems to be getting worse. Put the plow back on last night as we were expecting snow that didn't come. Anyway, even with the truck cold and at a fast idle, when I lift the plow the alt guage really drops fast and the truck wants to die. The plow seems to be working fine, the truck runs fine, starts fine. Just seems to be a big draw. In the past years the alt meter would dip down but never this quickly that the truck wanted to stall. As soon as I let off the toggle the engine picks right back up again. Only thing different is that I put new connections on the battery this year. It had side terminals that went into these steel lugs and then they went into the battery. They were rusted pretty bad, so I put some terminals on the top posts and reconnected everything that way. Can't see how that would mess anything up though. Thanks for any input.
     
  6. Newdude

    Newdude Senior Member
    Messages: 878

    Your alternator could be going too, also, you can check your battery or put in 2 batteries.
     
  7. Clint S

    Clint S Senior Member
    Messages: 280

    Your plow motor could be starting to poop out and drawing too much. Does the plow motor get extra hot.
     
  8. tattoofever

    tattoofever Member
    Messages: 36

    i added a second battery and a high amp alternator and that took care of my volt drop ,it still drops some but not half as bad
     
  9. BPK63

    BPK63 Senior Member
    from CT
    Messages: 244

    Plow motor seems to work fine, in fact I have a spare that I tried and have the same results. One thing I noticed while plowing yesterday, when in 4 low with the engine obviously reving a lot more I don't have the problem. I saw a post where somebody said to put a smaller pulley on the alternator. I guess I'll either have to look at that or an upgraded alt next season and dual batteries.
     
  10. tattoofever

    tattoofever Member
    Messages: 36

    if you put in a smaller pulley it will slow it down and make the issue worse youll have to rev it up everytime you stop,check for vacume leaks ,you might have a higher ide in park but when you stop you lose some of that vacume thru the brakeing which would cause a stall
    sound more like weak alternator though ,a second battery is a easy install and fairly cheap that with a high output alternator will make a big diffrence if theres not some other issues causing low idle
     
  11. KWest

    KWest Junior Member
    from MA
    Messages: 9

    A smaller pulley on the alt will speed it up, but if the alt is getting bad, it's only a matter of time.
     
  12. tattoofever

    tattoofever Member
    Messages: 36

    smaller pulleys slows things down giving more horse power ,ive never done just the alternaer
    but on my mustang it was the crank ,waterpump,alternater combined ,and that slowed things down a bit
     
  13. KWest

    KWest Junior Member
    from MA
    Messages: 9

    Smaller drive pulleys slow things down, smaller driven pulleys speed up whatever is being driven
     
  14. sefh

    sefh Senior Member
    Messages: 436

    Before going through the work and $$ for an alternator check your wire from your battery to your pump. Make sure that the connections are clean. Have someone help you and use a volt meter and check the amps through the wire when raising the plow.