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Battery question

Discussion in 'Truck & Equipment Repair' started by caz41, Dec 14, 2005.

  1. caz41

    caz41 Member
    Messages: 86

    I have everything setup for a dual battery in my 99. Just wondering what batteries I should get. Brand, size, etc. Thanks.
  2. markq

    markq Member
    Messages: 47

    I dont really know about which batteries you shoudl get, although I've alays heard good things about Optima.

    The questions I have is, did you do your own setup for dual batteries? If so, how did you do it, and could you post some pics?

    I'm actually going to be doing this on my '04 GMC in the next couple of weeks.

  3. justme-

    justme- 2000 Club Member
    Messages: 2,138

    What do you have room for?

    What size is the factory battery? Group 37? 24? ?? Whatever the factory size is, get 2 new ones of that. If you can fit multiple sizes, get the biggest (longest reserve time and most # of plates) that will fit. My ram will take a Group 36 (1000CCA) or a Group 24 (770CCA). The factory batteries are 24- more plates and much longer reserve time which is more important that CCA for plowing (and diesel's).

    Lots of guys love the Optima's but I have heard they don;t last too well in the Diesel's so I went with Interstates. Got 5 years out of the Factory Dodge batteries (Excide- rated generally as poor batteries according to several sources includeing a parts manager at a dealer near me)
    I have never had good luck with Sears for warranties, and most Diehards are Excide batteries anyway. Actually, most independant name batteries are Excide.
  4. RTW5150

    RTW5150 Junior Member
    from IL
    Messages: 24

    Interstate, matched pair of the biggest batteries you can squeeze under the hood!
  5. go plow

    go plow Senior Member
    Messages: 322

    ive been told to run gel batt in my truck, so i can run my strobes, also i noticed that the truck starts better in the cold weather ....
  6. justme-

    justme- 2000 Club Member
    Messages: 2,138

    you don't need a gell to use strobes, any battery will work fine- could it be your truck starts better because it's a new battery? Gells don't sulfate which kills acid batts, but properly charged and maintained a lead acid battery is fine.

    Incidentaly, JC whitney sells a battery additive- tried it in the last batts- the factory ones that lasted onto 6 years. Seems to work well. My motorcycle battery that normally only lasts 1 season for the electric starter and the second season kick only lasted 3 years electric!
  7. polarplowing

    polarplowing Member
    Messages: 59

    wiring dual batteries

    I am also considering running dual batteries on a 88 Gmc Suburban, but I 'm not sure how to wire it. DO i need to buy a battery isolator kit from Summit racing, or can I just wire the batteries together? Does anyone have pictures of how to wire together, if so please let me know. Thanks.
  8. john-boy

    john-boy Member
    Messages: 56

    Just run your batteries in parallel. Dual terminals seem to work well. Interstate batteries are pretty decent, but request a MHD line from your distibutor, they usually are a higher cca rating with longer reserve time
  9. justme-

    justme- 2000 Club Member
    Messages: 2,138

    Last edited: Dec 21, 2005
  10. BDB

    BDB Senior Member
    Messages: 124

    The guy that reparis starters, altenators and the plow pump motors for us says to get deep cycle/starting batteries (like marine batt's). Lots of reserve power. The pump motors use a ton of amps and they have had the best success with those and/or gel batteries.
  11. drplow

    drplow Senior Member
    Messages: 174

    Ive had a lot of luck with sears die hard off road battery's. i would get the best one they have. this is for something your going to use all the time and in the cold. your going to get what you paid for with batteries.
  12. justme-

    justme- 2000 Club Member
    Messages: 2,138

    Deep cycle battery's will not last in a starting application as long as a starting battery- for the plowing season they will be fine, but the off season will kill them. Deep cycle's NEED to be discharged a certain percentage regularly, and a certain percentage before recharging or their life is shortened.