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Ford F150 Forum - Community of Ford Truck Fans
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alternator
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Threads Tagged with
alternator
Thread / Thread Starter
Last Post
Replies
Views
Forum
2008 F150 5.4 Check Charging System - fixed after 4 years
dogleg69
on Sep 11, 2025
Apr 23, 2026
11:33 AM
by
Redbone43
9
2,253
2004 - 2008 Ford F150
Intermittent battery light, alternator, batt good
(
1
2
)
onemoroni1
on Sep 18, 2020
Nov 9, 2025
06:22 AM
by
Jimboy
14
24,458
Maintenance Shop
Alternator/Voltage Concern
JerseyGuy240
on Jul 17, 2025
Jul 17, 2025
09:11 PM
by
JerseyGuy240
2
380
2009 - 2014 Ford F150
Check Charging System 2005 F150 Lariat V8 5.4
(
1
2
3
)
SuburbanStead
on May 5, 2024
Apr 26, 2025
06:16 PM
by
HopeFiend
20
10,529
2004 - 2008 Ford F150
Random NonStart- 3 mechanics stumped
Meyerck
on Aug 24, 2024
Dec 23, 2024
02:52 PM
by
dze
7
1,379
2009 - 2014 Ford F150
Is it possible to add a second alternator?
MrScotchyScotch
on Aug 14, 2024
Aug 17, 2024
04:12 PM
by
treyster
9
6,094
2015 - 2020 Ford F150
Battery Light Comes On and Off while Driving
BeeRice97
on Dec 2, 2019
Jul 2, 2024
08:33 PM
by
Billy Underwood
7
63,835
General F150 Discussion
2013 5.0-Alternator for AGM Battery
(
1
2
)
Tex8709
on Mar 12, 2024
Mar 14, 2024
11:05 AM
by
texas8709
14
6,047
2009 - 2014 Ford F150
Fun with voltage
(
1
2
)
WashCoInd
on Dec 20, 2023
Jan 2, 2024
08:17 AM
by
robyrob
10
1,876
1997 - 2003 Ford F150
Question about Alternators
mikejm
on May 18, 2023
May 20, 2023
10:29 PM
by
Bluegrass
5
852
1997 - 2003 Ford F150
Fluctuating Battery Gauge
2007HarleyDavidson
on Jun 11, 2014
Apr 11, 2023
12:03 AM
by
Steve83
7
25,381
1987 - 1996 F150
Check Charging System Warning Indicator
sworks
on Nov 23, 2014
Mar 28, 2023
08:17 AM
by
techrep
6
44,654
Maintenance Shop
2011 F150 Slow Cranking Possible starter?
marknoacre
on Nov 19, 2022
Nov 21, 2022
09:45 AM
by
Laminar
5
6,847
2009 - 2014 Ford F150
Is my alternator good enough for B2B charging?
dnlmln
on Aug 17, 2022
Aug 19, 2022
09:14 AM
by
danwellington0
4
2,642
Towing/ Hauling/ Plowing
Stereo hum after replacing Battery, Positive terminal harness and Alternator.
macarthm
on Jul 13, 2022
Jul 14, 2022
05:33 AM
by
Jimboy
1
625
General F150 Discussion
Alternator Only Outputs 13.7 Volts on 2016 F150
(
1
2
)
alteredstate
on May 6, 2022
May 14, 2022
09:34 AM
by
alteredstate
13
30,606
General F150 Discussion
Alternator replaced, broke wires
(
1
2
)
Whyteboar
on Jan 27, 2022
Jan 28, 2022
05:12 PM
by
Whyteboar
12
24,097
1997 - 2003 Ford F150
Replacement Alternator (2002 4.6L)
jimwham
on Sep 16, 2021
Sep 23, 2021
02:24 PM
by
jimwham
9
9,293
1997 - 2003 Ford F150
2008 F150 5.4L P0340 code mystery
JenLewis80
on Jun 29, 2021
Jul 12, 2021
03:38 AM
by
JenLewis80
9
4,581
2004 - 2008 Ford F150
Charging System - Service Now
Jett Young
on Jun 27, 2020
May 2, 2021
06:01 AM
by
Raider889
1
19,813
Maintenance Shop
Aftermarket alternators for extra accessories
(
1
2
3
)
Ricky Bubbles
on Nov 11, 2020
Nov 14, 2020
03:24 PM
by
white89gt
21
4,844
1997 - 2003 Ford F150
random dead battery
(
1
2
)
Andy Smerdel
on Sep 2, 2020
Sep 14, 2020
08:21 AM
by
techrep
16
9,504
2004 - 2008 Ford F150
Belt/Pulley issues after alternator upgrade
emax4
on Feb 21, 2017
Aug 9, 2020
06:47 PM
by
Steve83
2
3,995
Maintenance Shop
Help electrical system falling apart.
Bignick9801
on Nov 13, 2019
Nov 22, 2019
11:44 AM
by
Bignick9801
4
1,797
Electrical
2004 F 150 power outage?
Dee Phillips
on Aug 29, 2019
Sep 10, 2019
02:06 PM
by
techrep
9
1,823
2004 - 2008 Ford F150
High Voltage at battery
(
1
2
)
Millhouse 99F150
on May 24, 2014
Jul 7, 2019
06:23 AM
by
River1
14
29,108
1997 - 2003 Ford F150
HOW TO: USE TORQUE PRO to diagnose/monitor your ALTERNATOR
F150Torqued
on May 21, 2019
May 21, 2019
04:47 PM
by
F150Torqued
0
32,159
2004 - 2008 Ford F150
93 F-150 Electrical Issue
TipUrWaiter
on Jan 21, 2019
Jan 22, 2019
09:32 PM
by
Steve83
3
6,646
Maintenance Shop
Alternator swap
David M
on Nov 29, 2018
Dec 2, 2018
09:04 PM
by
OhioLariat
4
8,112
1997 - 2003 Ford F150
Battery bad? Phantom Drain?
eff1fifty
on Sep 1, 2018
Sep 2, 2018
09:48 AM
by
eff1fifty
5
1,644
2004 - 2008 Ford F150
Engine got wet, new battery wont stay charged overnight, alternator is good, so idk??
jkmay
on Aug 25, 2018
Aug 26, 2018
02:34 PM
by
Steve83
1
1,125
Electrical
4.9 i6 leaking coolant from pulley underneath alternator
jdaum1222
on Jul 23, 2018
Jul 23, 2018
08:55 PM
by
Steve83
2
6,114
1987 - 1996 F150
91 i6 battery gauge shaking. Like a lot. Video attached.
jdaum1222
on Jul 16, 2018
Jul 21, 2018
07:35 AM
by
Lazarus-F150
4
4,476
1987 - 1996 F150
Battery light is still on after NEW Alternator & Battery
(
1
2
)
ParacordHut
on Jul 19, 2016
Apr 20, 2018
01:01 AM
by
fordguy2100
13
123,522
1997 - 2003 Ford F150
Alternator Warm After Using Battery Charger
BigRed26
on Mar 16, 2018
Mar 18, 2018
09:56 PM
by
BigRed26
6
3,939
1987 - 1996 F150
2007 F150 Overcharging Issue
cherria
on Feb 2, 2018
Feb 3, 2018
08:54 AM
by
techrep
7
7,477
2004 - 2008 Ford F150
Voltage Drop
mcorwin
on Jan 11, 2018
Jan 11, 2018
11:26 PM
by
mcorwin
0
1,617
General F150 Discussion
Squeal/Whine on 2012 F-150
benjamitchell
on Aug 17, 2017
Aug 17, 2017
01:14 AM
by
benjamitchell
0
1,371
2009 - 2014 Ford F150
Original Alternator?
toddbrett
on Jan 11, 2017
Jan 11, 2017
02:56 PM
by
toddbrett
0
657
Maintenance Shop
Battery/alternator charging may be simple
Jdogger4
on Dec 23, 2016
Dec 23, 2016
08:26 PM
by
gmb13
1
1,589
2004 - 2008 Ford F150
Error Message, No Lights
(
1
2
)
txjessicalynntx
on Dec 9, 2016
Dec 20, 2016
05:53 PM
by
txjessicalynntx
16
3,042
2004 - 2008 Ford F150
1999 F150 Alternator
ScottAHarvey
on Oct 9, 2016
Oct 9, 2016
04:24 PM
by
ScottAHarvey
0
867
General F150 Discussion
Acceleration whine
robertEK
on Sep 14, 2016
Sep 17, 2016
02:07 PM
by
vintageman
4
2,505
2004 - 2008 Ford F150
04 xlt weird issue please help!
(
1
2
)
Eman2500
on Jun 15, 2011
Aug 17, 2016
06:14 AM
by
redfishtd
11
3,895
2004 - 2008 Ford F150
Alternator charging issue
Fastdriver
on Aug 5, 2016
Aug 5, 2016
06:02 PM
by
akdoggie
1
1,064
1997 - 2003 Ford F150
Cranks with no start
jcraven11
on Jan 13, 2016
Jan 14, 2016
09:24 PM
by
jcraven11
5
1,676
2015 - 2020 Ford F150
New F150
Muadude
on Sep 7, 2015
Sep 7, 2015
10:47 AM
by
Muadude
0
1,940
General F150 Discussion
New Alternator, battery light still on?
Statefan15
on Aug 12, 2015
Aug 14, 2015
01:28 AM
by
ColdinCanada
7
11,818
2004 - 2008 Ford F150
Battery Light Issue
(
1
2
)
lewis712
on Jun 29, 2015
Jun 29, 2015
11:03 PM
by
firehart2
11
11,318
2004 - 2008 Ford F150
1997 F-150 Lariat Starting Issue
Brandan Philbrook
on Jun 12, 2015
Jun 12, 2015
09:10 PM
by
fltdriver
1
1,087
Electrical
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