Transmission shift/ blowing fuse
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Trailering
Joined: Oct 2005
Posts: 17
Likes: 0
Transmission shift/ blowing fuse
On my 1996 F350 Auto Trans the #17 10amp fuse blows when I downshift from Drive to 2. Most noticeable when fuse blows is no Tach, no Battery, no Temp, no Oil on gauge cluster.
Any ideas or fixes??
The #17 10 amp fuse is listed as;
.Diesel indicators
.Electronic Transmission
.Gauges
.Tachometer
.Warning buzzer/chime module
.Warning indicators
Any ideas or fixes??
The #17 10 amp fuse is listed as;
.Diesel indicators
.Electronic Transmission
.Gauges
.Tachometer
.Warning buzzer/chime module
.Warning indicators
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,723
Likes: 2,650
From: SE Florida
My guess is that one or more of the wires from the shift handle have worn through the insulation near the end of the shift handle, inside the steering column. When you move the shifter it shorts one of those wires to ground and blows the fuse. You should be able to see the problem when you remove the plastic cover from the column.
Thread Starter
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Trailering
Joined: Oct 2005
Posts: 17
Likes: 0
My guess is that one or more of the wires from the shift handle have worn through the insulation near the end of the shift handle, inside the steering column. When you move the shifter it shorts one of those wires to ground and blows the fuse. You should be able to see the problem when you remove the plastic cover from the column.
Everything is fine in drive, just when i downshift to 2. I pull a fifth wheel, sometimes I will need to downshift when pulling hills.
Have to keep searching.........
Thread Starter
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Trailering
Joined: Oct 2005
Posts: 17
Likes: 0
Yes. Extremely clean, no chafing, burnt or exposed wires. What is the "Electronic Transmission" as designated on the #17 fuse description?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,723
Likes: 2,650
From: SE Florida
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Fleet Owner
Joined: Jul 2006
Posts: 20,361
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From: Mi'kma'ki
That's so bizarre.If the fuse is only blowing when you move the shift selector,your going to have to slit the black sleeve covering up the individual wires to inspect and repair/re-coat/wrap bare wires inside.
They do sell replacement harness for this too if you rather but it's got to be in there.I mean what are the odds of you moving the shift lever at the same time every time to blow the fuse and have it unrelated right?
They do sell replacement harness for this too if you rather but it's got to be in there.I mean what are the odds of you moving the shift lever at the same time every time to blow the fuse and have it unrelated right?
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Thread Starter
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Trailering
Joined: Oct 2005
Posts: 17
Likes: 0
That's so bizarre.If the fuse is only blowing when you move the shift selector,your going to have to slit the black sleeve covering up the individual wires to inspect and repair/re-coat/wrap bare wires inside.
They do sell replacement harness for this too if you rather but it's got to be in there.I mean what are the odds of you moving the shift lever at the same time every time to blow the fuse and have it unrelated right?
They do sell replacement harness for this too if you rather but it's got to be in there.I mean what are the odds of you moving the shift lever at the same time every time to blow the fuse and have it unrelated right?
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