Author Topic: Fix: Weak Battery causing havoc 88 TBI ramcharger  (Read 437 times)

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Offline Oldnorthbridge

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Fix: Weak Battery causing havoc 88 TBI ramcharger
« on: January 9, 2020, 03:50:15 pm »
Greetings.
After much aggravation I believe I have found out what was causing my 88 tbi to go crazy.
My motor would sputter cough and die, loss of power etc.  I replaced All the usual sensors etc.
finally had a friend suggest that my 8 yr battery was not functioning properly even though
It would turn over the motor and it always started. Sure enough I bought a new battery
and it has never run better. I did some research on this elsewhere and there is quite a bit
of info on old batteries causing computer problems. Passing on my findings to help others
having problems like I was

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    Offline dodge82273

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    Re: Fix: Weak Battery causing havoc 88 TBI ramcharger
    « Reply #1 on: January 9, 2020, 05:54:41 pm »
    8 year old , you got your moneys worth anyway  ;) yeah even with the alt working its .. off , under 8 v and truck may even shut down ..
    78 to 93 parts trucks
    91 w250 318 518 44/60 single 9 foot driveway plow locked
    87w150 44/corp727 kandy w/ ghost bats/summer
    86-D/W100 44/corp/318mag/carb/4500/aka shit box/winter
    93w150short/44/corp/360/le/mag "caddie"
    93w250LB51844/60posi 318"New Truck"
    93w350 6 tire CC 60 c/a flat bed dump

    Offline Oldnorthbridge

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    Re: Fix: Weak Battery causing havoc 88 TBI ramcharger
    « Reply #2 on: January 9, 2020, 10:39:53 pm »
    Where in the salt bed are ya? Looks like there are a few members in Mass, but itís pretty thin up here in VT.
    I get lots of questions about my 88. People look at it like itís a ghost. Salt killed em all up here.

    Offline snowfighter10

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    Re: Fix: Weak Battery causing havoc 88 TBI ramcharger
    « Reply #3 on: October 21, 2020, 03:34:08 am »
    My son in law and I found this out when he had my 1988 W100.  We needed to move it but it had a dead battery. Jump starting the truck worked fine. As soon as he removed the jumper cables, the truck would sputter and cough and eventually die. He swapped in a good battery and everything worked great.  We were thinking major tune up before he put in the new battery. Once the charging system was in good working order all the engine problems cleared up. Good thing to keep in mind when dealing with electrical or electronic problems. Always check to see you have a good battery.
    1988 W100 SWB, 5.2 TBI, NP435 4-speed.

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