GMC 1990 Diesel 3/4 ton suburban.Dead batteries. Trickle charged for 2 hours. Trickle Charger was hot and charge up to 15. Car started up immediately idled for maybe 45 min. went dead again. I heard a low groan motor still running but no lights and gage not charging. It has been sitting 3 months. Has something leaked "evaporated" Not charging.

Asked by nancyrdh Nov 02, 2015 at 02:26 AM about the 1990 GMC Suburban R2500

Question type: Maintenance & Repair

Truck won't start. Starter: click,click,click etc.Trickle Charger says 12
amps. After about 2 hours Trickle Charger up to 15 amps and Trickle
Charger was HOT. Batteries are fairly new. Truck been sitting in garage
not driven for 3 months. Water in Batteries. Busy, I let it idle for 45 min.
and then started to drive but head lights were dimming then went out
drove it 20 feet to park and it had a groaning with maybe a metal on metal
sound. Didn't see leak on floor. Its in good condition and has always been
reliable. It has had jingle bell sounds lately when accelerating & coasting.

1 Answer
224,135

Rowefast answered 9 years ago

Sounds like the battery shorted out internally, drawing that many amps. on trickle charge for so long is a good indication. Once you get the battery checked out, make sure the charging system is in working order.

Mark helpful

Your Answer:

Related Questions

Shortcuts

Search GMC Suburban Questions

CarGurus Experts

  • #1
    ShadetreeMech
    Reputation
    1,110
  • #2
    Larry Thibert
    Reputation
    970
  • #3
    DanTheMan5160
    Reputation
    660
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Suburban
10 Great Deals out of 583 listings starting at $10,900
Used GMC Sierra 1500
132 Great Deals out of 6,515 listings starting at $3,975

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.