Battery light

Asked by angelgillingham Jan 02, 2019 at 02:04 AM about the 2005 Ford F-150

Question type: Maintenance & Repair

I have a 2005 F150 with a 5.4. my truck died a while back and I replaced the battery and alternator. Its been running fine for months but the battery light is still on. did a fuse or relay trip? The light is just annoying to look at.

1 Answer
43,800

Hornet_2497 answered 5 years ago

Having the "battery light" on usually means the alternator output voltage is not getting to the battery and electrical system. The fusible link at the alternator output cable may have failed. Or the alternator output is not quite enough to power the system. Have it tested where you bought the alternator. Might be a bad one. New ones are more reliable the those remanufactured ones.

Mark helpful

Your Answer:

Related Questions

  • battery light 1 Answer

    2008 ford f150 battery light keeps coming on new battery and alternator checks ok

    2008 Ford F-150 XL

    -

    Maintenance & Repair

  • Battery light 2 Answers

    I have a 1999 f150 4.2 engine. I changed the thermostat which went well, however, after changing the thermostat the battery light is on. What gives?

    1999 Ford F-150 XLT LB

    -

    Maintenance & Repair

  • Battery Light 4 Answers

    I have a 2008 Ford F150 that will not start because of a bad ground on the starter relay. Needless to say, I still need to drive around so I've been starting the truck by applying voltage directly to ...

    2008 Ford F-150 Lariat SuperCrew 4WD

    -

    Maintenance & Repair

  • Battery light 1 Answer

    My truck was running fine until last night. I was on my way home and hit the gas to go and the battery light came on, all the lights dimed as well. All the gauges read normal as they should. The al...

    2002 Ford F-150 XLT Crew Cab 4WD SB

    -

    Maintenance & Repair

  • Battery light 1 Answer

    I have a 2005 F150 with a 5.4. my truck died a while back and I replaced the battery and alternator. Its been running fine for months but the battery light is still on. did a fuse or relay trip? The l...

    2005 Ford F-150

    -

    Maintenance & Repair

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    42,460
  • #2
    Gene Arnett
    Reputation
    16,040
  • #3
    Rowefast
    Reputation
    15,840
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
171 Great Deals out of 5,940 listings starting at $3,995
Used GMC Sierra 1500
128 Great Deals out of 6,854 listings starting at $3,975
Used Ford F-250 Super Duty
27 Great Deals out of 1,201 listings starting at $8,995
Used Toyota Tundra
47 Great Deals out of 1,145 listings starting at $5,999
Used Toyota Tacoma
54 Great Deals out of 1,033 listings starting at $8,708
Used Dodge RAM 1500
4 Great Deals out of 80 listings starting at $4,000
Used Ford Ranger
15 Great Deals out of 1,439 listings starting at $2,888
Used Ford Mustang
49 Great Deals out of 1,268 listings starting at $4,995
Used Chevrolet Silverado 2500HD
20 Great Deals out of 1,146 listings starting at $8,999
Used GMC Sierra 2500HD
17 Great Deals out of 1,712 listings starting at $12,900
Used Ford F-350 Super Duty
36 Great Deals out of 2,603 listings starting at $8,888
Used Ford Explorer
81 Great Deals out of 2,024 listings starting at $2,999

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.