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Battery light on
11-08-2017, 07:45 PM
Post: #1
Battery light on
My wife texted me this afternoon and said the battery light just came on in our 03 CVPI. I am going to check the cables for looseness and corrosion, but if that isn't the problem, what else could it be? I will post what I find out after doing the cables.
Thanks everyone
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11-09-2017, 10:29 AM
Post: #2
RE: Battery light on
I was just reading in my Haynes manual could be an alternator issue. However, the light went out and hasn't come back on. Go figure.
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11-09-2017, 04:05 PM
Post: #3
RE: Battery light on
Unfortunately or fortunately, the light may come on when it starts having problems before it craps out completely.
Did you find anything when checking the wiring?
[Image: 7082f310-ddf0-45a9-9fc0-153a7ca0a8ce.jpg]
1989 Country Squire - needs more air
2005 CV Sport
SW full exhaust, Heinous control arms, Hawk pads, Powerslot rotors, Addco swaybars, BBK TB, Accufab plenum

Panther, Ford, Crown Victoria, Mercury, Grand Marquis, Marauder, Lincoln, Town Car, Police Interceptor, P71, CVPI, LX Sport, LX, LS, GS, Signature, Limited
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11-10-2017, 11:36 AM
Post: #4
RE: Battery light on
Try running it with lights and radio going, see if the batt light comes back on. BlackVic is correct that if the alternator is going but not toast, it will toss the light on. It's doing it because it isn't fully charging the system.
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Frank the Vic — 2007 CVPI SAP, Dark Toreador Red, Stock
Mocha — 2014 Hyundai Tucson SE, Kona Bronze, Stock
Whitey the Beater — 1999 F-150 Lariat, 5.4 V8, Retired with 242,000 miles
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Yesterday, 01:02 PM
Post: #5
RE: Battery light on
I haven't found anything in the wiring, but still looking in between going to work and whatnot. Another question. If I have to replace my alternator, do I have to stay with a Heavy-Duty one, or can I use a base model Vic alternator? I'm not running any police equipment, just the normal lights etc.
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Yesterday, 01:45 PM
Post: #6
RE: Battery light on
You can but unless there's a huge price difference there's not much point in doing so.
______________________________
Intolerance of Intolerance is Intolerance
/////////////////////////////////////////////////////////////////////////////////////
Frank the Vic — 2007 CVPI SAP, Dark Toreador Red, Stock
Mocha — 2014 Hyundai Tucson SE, Kona Bronze, Stock
Whitey the Beater — 1999 F-150 Lariat, 5.4 V8, Retired with 242,000 miles
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Yesterday, 03:46 PM
Post: #7
RE: Battery light on
(Yesterday 01:45 PM)FranktheVic Wrote:
 
You can but unless there's a huge price difference there's not much point in doing so.

Theres a $20-$30 difference.
Thanks for the input.
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Yesterday, 10:03 PM
Post: #8
RE: Battery light on
(Yesterday 03:46 PM)verdep71 Wrote:
 
(Yesterday 01:45 PM)FranktheVic Wrote:
 
You can but unless there's a huge price difference there's not much point in doing so.

Theres a $20-$30 difference.
Thanks for the input.

I would start the car and turn on all of the big current drawers one at a time. Items like lights on high beam, heater blower on high, rear window defroster, etc and see what happens. Also, check your belt and tensioner. If it turns out to be the alternator, IMHO I would stay with the higher amperage alternator.
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2001 Crown Vic LX Sport (Stock other than maint. items).
49,XXX miles, Toreador Red W/Medium Parchment Interior
1 of 54 Sports in Toreador Red, owned from new and never in the snow.

2000 Crown Vic P73 (The Green Machine) 1-option car (HPP Package) 126,XXX miles
Amazon Green W/Medium Parchment cloth. Minor upgrades to include: Electro chromic mirror retrofit, P-71 Honeycomb Grille, period correct Ford AM/FM single CD unit, Caddy 4-note horn retrofit.
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Today, 11:43 AM
Post: #9
RE: Battery light on
(Yesterday 10:03 PM)Peachpicker Wrote:
 
(Yesterday 03:46 PM)verdep71 Wrote:
 
(Yesterday 01:45 PM)FranktheVic Wrote:
 
You can but unless there's a huge price difference there's not much point in doing so.

Theres a $20-$30 difference.
Thanks for the input.

I would start the car and turn on all of the big current drawers one at a time. Items like lights on high beam, heater blower on high, rear window defroster, etc and see what happens. Also, check your belt and tensioner. If it turns out to be the alternator, IMHO I would stay with the higher amperage alternator.

I also saw on the other site mention of the pulley going bad causing charging issues as well. So if you have any chirps, squeaks, odd metallic noises coming from the alternator, that's quite possibly your issue.
______________________________
Intolerance of Intolerance is Intolerance
/////////////////////////////////////////////////////////////////////////////////////
Frank the Vic — 2007 CVPI SAP, Dark Toreador Red, Stock
Mocha — 2014 Hyundai Tucson SE, Kona Bronze, Stock
Whitey the Beater — 1999 F-150 Lariat, 5.4 V8, Retired with 242,000 miles
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