Why do the headlights drain the battery?
10

Asked by GuruJHJD1 Aug 01, 2020 at 11:20 PM about the 2004 Ford Mustang Coupe RWD

Question type: Maintenance & Repair

When lights are turned on the battery
completely drains while driving

3 Answers

F_O_R answered 3 years ago

Use a multi meter to test for power at the battery while the engine is running. You should see 13.5 to 14.5 volts if the alternator is working.

2 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • Why do the headlights drain the battery? 3 Answers

    When lights are turned on the battery completely drains while driving

    2004 Ford Mustang Coupe RWD

    -

    Maintenance & Repair

  • Battery drain? 4 Answers

    To Steven M: Have a 2006 mustang,V6, base. Best car I've ever had. No problems. Bought it with 25,000 miles and now it has 108,000. Alternator was replaced a few years ago. A couple days ago, the ba...

    2006 Ford Mustang V6 Coupe RWD

    -

    Maintenance & Repair

  • How do I replace the headlights? I can't seem to get to the screws to unscrew them. 1 Answer

    My center headlight is cracked and filled with water. When I open the hood to try to remove it, I can't seem to get to the hardware to take it out. How do I do this?

    1991 Ford Mustang LX 5.0 Coupe RWD

    -

    Maintenance & Repair

  • why the wheel hop 2 Answers

    2007 gt 500 less than 2500 miles...can't really fire up tires without considerable wheel hop...checked underneath and everything looks normal...is this normal for these mustangs or is there an easy fi...

    2007 Ford Mustang Shelby GT Coupe RWD

    -

    Maintenance & Repair

  • Why does the radio drain the battery? 1 Answer

    My radio doesn't turn off when I turn the key off and its drains the battery. I have replaced the radio with a refurb and it's still drain the battery

    2010 Ford Expedition XLT

    -

    Maintenance & Repair

Mustang

Looking for a Used Mustang in your area?

CarGurus has 22,717 nationwide Mustang listings starting at $1,100.

ZIP:

Own this car?

Share your experience with others.

2004 Ford Mustang

Write a car review

Review another car

Shortcuts

Search Ford Mustang Questions

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    3,140
  • #2
    Bob Beaman
    Reputation
    2,680
  • #3
    rst429
    Reputation
    2,600
View All

Know more, shop wisely

Search

Related Models For Sale

Used Chevrolet Corvette
724 Great Deals out of 12,358 listings starting at $4,995
Used Ford F-150
6,192 Great Deals out of 133,581 listings starting at $1,100
Used BMW 3 Series
1,131 Great Deals out of 12,881 listings starting at $1,000
Used Ford Mustang SVT Cobra
13 Great Deals out of 175 listings starting at $6,995
Used BMW M3
48 Great Deals out of 1,105 listings starting at $12,000
Used Chevrolet Silverado 1500
4,276 Great Deals out of 131,637 listings starting at $1,000
Used Honda Civic
1,421 Great Deals out of 29,634 listings starting at $1,299
Used Jeep Wrangler
3,313 Great Deals out of 59,568 listings starting at $3,000
Used Toyota Camry
2,047 Great Deals out of 35,547 listings starting at $500

Used Cars for Sale

2024 Ford Mustang For Sale
44 Great Deals out of 11,501 listings starting at $27,319
2023 Ford Mustang For Sale
37 Great Deals out of 554 listings starting at $24,900
2022 Ford Mustang For Sale
69 Great Deals out of 941 listings starting at $20,889
2021 Ford Mustang For Sale
115 Great Deals out of 1,178 listings starting at $16,226
2020 Ford Mustang For Sale
72 Great Deals out of 1,018 listings starting at $13,995

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.