Heater/AC not working
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Senior User
Joined: Nov 2003
Posts: 224
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From: Trophy Club Texas
Heater/AC not working
This morning when I left it was a bit chilly. Tried to turn on some heat and nothing....no lights, no nothing.
Came back home to check fuses. Still not sure what fuse it is, but I believe it is number 24 (05 F250). Anyway. Didn't look bad, couldn't find my mult-meter. Took the radio fuse out and switched it with fuse 24.
Both radio and heat now work.....
Bad connection at the fuse? or should I look further?? Heading up north for Thanksgiving and would hate to be on the road and have no heat....in case it is cold.
Thanks for any ideas.
dp
Came back home to check fuses. Still not sure what fuse it is, but I believe it is number 24 (05 F250). Anyway. Didn't look bad, couldn't find my mult-meter. Took the radio fuse out and switched it with fuse 24.
Both radio and heat now work.....
Bad connection at the fuse? or should I look further?? Heading up north for Thanksgiving and would hate to be on the road and have no heat....in case it is cold.
Thanks for any ideas.
dp
Post Fiend
Joined: Apr 2004
Posts: 19,098
Likes: 8
From: Great State of Texas
Hope this helps..
Various Electronic and Driveability Symptoms and Codes:
2005 F-Super Duty trucks built before 5-11-05 may exhibit various electronic-related symptoms due to loose/miss-installed fuses in the engine compartment fuse box. These symptoms may be intermittent. The fuses should be inspected to verify they are installed into the terminals in the fuse box and not along side the terminals.
Fuses--Symptoms
#9, 20 amp: Trailer turn signals inoperative
#10, 10 amp: Check Engine Light; Codes P1633, P0446
#11, 10 amp: Speedo bounce, ABS light, Cruise control inop; Codes U1900, U2023, P0500-P0503
#12, 2 amp: Cruise control inop, TBC Fault displayed, chime; Code C2803
#13, 15 amp: Day time running lamps inop
#15, 15 amp: Crank/no start, bucking, stall; Codes P2614, P2617, P1378
#17, 10 amp: A/C inop or not cooling
#18, 10 amp: Crank/no start, bucking, stall; P2614, P2617, P1378, P0611
#20, 10 amp: Trailer back up lamp inop
TSB 05-11-14
Various Electronic and Driveability Symptoms and Codes:
2005 F-Super Duty trucks built before 5-11-05 may exhibit various electronic-related symptoms due to loose/miss-installed fuses in the engine compartment fuse box. These symptoms may be intermittent. The fuses should be inspected to verify they are installed into the terminals in the fuse box and not along side the terminals.
Fuses--Symptoms
#9, 20 amp: Trailer turn signals inoperative
#10, 10 amp: Check Engine Light; Codes P1633, P0446
#11, 10 amp: Speedo bounce, ABS light, Cruise control inop; Codes U1900, U2023, P0500-P0503
#12, 2 amp: Cruise control inop, TBC Fault displayed, chime; Code C2803
#13, 15 amp: Day time running lamps inop
#15, 15 amp: Crank/no start, bucking, stall; Codes P2614, P2617, P1378
#17, 10 amp: A/C inop or not cooling
#18, 10 amp: Crank/no start, bucking, stall; P2614, P2617, P1378, P0611
#20, 10 amp: Trailer back up lamp inop
TSB 05-11-14
Postmaster
Joined: Sep 2005
Posts: 2,725
Likes: 3
From: Florence,SC
i am assuming you have eatc. if so you need to go get your head replaced. i have put on several of these, and ford did have a broadcast message about this concern. its expensive unless you have esp or base warranty.
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Senior User
Joined: Nov 2003
Posts: 224
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From: Trophy Club Texas
Originally Posted by BowTieHatr
i am assuming you have eatc. if so you need to go get your head replaced. i have put on several of these, and ford did have a broadcast message about this concern. its expensive unless you have esp or base warranty.
EATC?
dp
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Postmaster
Joined: Sep 2005
Posts: 2,725
Likes: 3
From: Florence,SC
do you have eatc? the heads are having a problem mainly when you shut the truck off. they are too sensitive and something is giving them a shock. these heads are mini computers and when you pull the fuse you are resetting the head causing them to work. yes, the problem is solved but i am very certain it will happen again. see it too many times.
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Originally Posted by BowTieHatr
i am assuming you have eatc. if so you need to go get your head replaced. i have put on several of these, and ford did have a broadcast message about this concern. its expensive unless you have esp or base warranty.
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