1989 4.9 I-6 something draining my battery.

Asked by Feb 01, 2014 at 05:35 PM about the 1989 Ford F-150 S Standard Cab LB

Question type: Maintenance & Repair

I have - 1989 ford f150 4.9 -6 my battery dies overnight. There seems to be a hissing
sound like a electronic part still on when I shut the engine down.it seems to be coming
from the back of block. Help need assistance

2 Answers

19,915

Make sure there are no lights staying on ,dome, glove box under hood.

1 of 1 people found this helpful.
Best Answer

Had the same problem with my Windstar. disconnect battery ground and use a test meter. hook one side to battery terminal and other lead to battery cable. should read .60 millie amps if not start pulling fuses until u find the right one. might have to tape sensor for doom light. mine was reading 1.7 millie amps. parasitic draw is what it is called

Your Answer

Add photo

Related Questions

  • 1989 4.9 I-6 something draining my battery. 2 answers

    I have - 1989 ford f150 4.9 -6 my battery dies overnight. There seems to be a hissing sound like a electronic part still on when I shut the engine down.it seems to be coming from the back of block. ...

    1989 Ford F-150 S Standard Cab LB

    -

    Maintenance & Repair

  • My 1999 F150's radio comes on after I turn off the truck draining the battery. 2 answers

    Is there a fix to this or is FORD just not responding? My truck is a 6 cylinder 5 speed manual 4 door. I have read that many owners have the same issue...

    1999 Ford F-150

    -

    Maintenance & Repair

  • Battery draining 4 answers

    Hey guys, I took my truck to pepboys and they fixed the cables running to the alternator (apparently they were wired incorrectly) for a couple weeks my truck worked perfect. All of a sudden as I'...

    1986 Ford F-150 STD Standard Cab LB

    -

    Maintenance & Repair

  • 1989 f150 4.9l inline 6

    I just put a new starter solenoid, battery and starter in my 1989 f150 it tries to turn over and gets started for 1-2 seconds then dies like it isn't getting any fuel. I think it's the fuel pump, ...

    1989 Ford F-150 S Standard Cab 4WD SB

    -

    Maintenance & Repair

  • 92 f150 custom 4.9 battery? 3 answers

    i have a 92 with the 4.9 l6. the person that previously owned it has a battery with low cca. im just curious to what the proper size battery is needed.

    1992 Ford F-150

    -

    Maintenance & Repair

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 8,500
#2 dandyoun
dandyoun
Reputation 4,420
#3 tennisshoes
tennisshoes
Reputation 2,950
View All

Related Models For Sale

Used GMC Sierra 1500
769 Great Deals out of 68,174 listings starting at $1,700
Used Ford F-250
469 listings starting at $4,390
Used Ford Mustang
706 Great Deals out of 44,428 listings starting at $1,500
Used Ford Ranger
171 Great Deals out of 5,557 listings starting at $900

Used Cars For Sale

2018 Ford F-150 For Sale
876 listings starting at $29,070
2017 Ford F-150 For Sale
71 Great Deals out of 123,316 listings starting at $18,199
2016 Ford F-150 For Sale
119 Great Deals out of 9,361 listings starting at $14,950
2015 Ford F-150 For Sale
212 Great Deals out of 8,859 listings starting at $15,990
2014 Ford F-150 For Sale
342 Great Deals out of 12,424 listings starting at $9,900

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.