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Battery light on?

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
If battery light in dash is on then need to have battery and alternator tested and check all charging system wiring to ensure its tight and clean properly.
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Friday, June 12th, 2020 AT 12:20 PM (Merged)
Tiny
ROBERT85
  • MEMBER
  • 11 POSTS
  • 2001 FORD FOCUS
  • 160,000 MILES
When I put the car in drive the battery light comes on
a few minutes later sometimes goes off when the rpm
climbs back up above 1,000 rpm's the battery, starter,
alternator and wiring still looks good no burnt wires.

Cleaned all ground with sand paper and checked coil
wires and fusible link to the + cable all max fuses are
good relays are not burnt or damaged but I have never tested one.

I am puzzled something is draining my battery after a period of time
could someone help me to figure this out?
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Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check alternator belt tension if okay-have the computer controlled circuit of the alternator field generation checked and tested
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Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2001 FORD FOCUS
  • 126,700 MILES
I have a 2001 ford focus zts, drove my care just fine, went to leave my mothers house and my battery light came one and my power sterring went out. I pulled over to the gas station and the power sterring is still full my battery is new, decided to drive back over to my mothers house and on my way around the corner my battery light came on again power sterring was still out and my car started to over heat. Any ideas on what it could be?
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Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuse in underhood fuse box first. Then have the charging system checked, it may be belt slippage which by the way should be replaced along with tensioner every 60,000 miles. The power steering will need to see if pump is working so a pro will need to check that.
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Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
FLONITEGALE
  • MEMBER
  • 5 POSTS
  • 2000 FORD FOCUS
Electrical problem
2000 Ford Focus 4 cyl Two Wheel Drive Automatic

WHY DOES MY BATTERY LIGHT STAY ON. I JUST REPLACED MY ALTERNATOR
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Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Could be weak battery not charging or corroded/loose battery cables. Need to have entire charging system inspected including alternator belt as well.
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-1
Friday, June 12th, 2020 AT 12:21 PM (Merged)
Tiny
LOULA28
  • MEMBER
  • 1 POST
  • 2001 FORD FOCUS
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 120,000 MILES
I need some expertise advice. Ok so heres whats up. My emissions light came on and stayed on for awhile, now it has gone off. It also idles really rough and also gets hot when is running for any long period of time. AND NOW, the battery light keeps coming on and off and almost died on me tonight!Any thoughts
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Wednesday, November 25th, 2020 AT 9:04 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Get the alternator charge rate checked, and make sure that you tell them that It is an intermittent problem, also get a scan done to check for any set fault codes, start here.

Mark (mhpautos)
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Wednesday, November 25th, 2020 AT 9:04 AM (Merged)

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