4 low problems - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 06-25-2011, 06:36 PM Thread Starter
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4 low problems

I have an 2002 f250 super duty 7.3 liter auto that will not go in 4 low 4 high works fine but no 4 low any ideas?
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post #2 of 9 Old 06-25-2011, 07:00 PM
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Do you have an electric shifter?

'03 F350 CCSB 27k
6spd,SCT Livewire
285/75/16 +2"front
RCD EGR Delete,AEM Intake
Sold:
'06 F350 CCSB 87K
6spd 4x4manual hubs
6"Fabtech w/35"s
'01 Stroke CCSB 112k 6spd
5" lift, 35" tires 4" straight
NAPA 6637 Intake, Wicked Wheel
TS T6 Pyro/Boost Gauges
AIH/EBPV Delete
2005 6.0, 2001 7.3, 2-'99, '97,'96,'95,'92IDI, 3-Cummins
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post #3 of 9 Old 06-25-2011, 07:11 PM
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do you shift the transmission into neutral when you try to shift it?

Nater
1995 f-250 rclb
7.3~317k miles & countin
3" Downpipe
Superduty 10.5" 3 pinion Trac-Lok rear
Dana 60 s.a.s

1997 ccsb , 353,500 miles
5" lift on 315x75x16 cooper at3's.
Clear headlights, tinted tails, rear buckets,
Dana 60 swap, zf5 swap.
rosewood 180/100's, t500 hpop, php hydra, e fuel.
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post #4 of 9 Old 06-25-2011, 08:18 PM Thread Starter
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yes it electric and yes i have tried it in park in neutral and nothing seems to work the 4 low light never comes on the 4x4 light does but not the 4 low?
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post #5 of 9 Old 06-25-2011, 08:34 PM
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I've seen several friends' switches go bad. One guy pulled it out and jumped the connections to fix it temporarily.

'03 F350 CCSB 27k
6spd,SCT Livewire
285/75/16 +2"front
RCD EGR Delete,AEM Intake
Sold:
'06 F350 CCSB 87K
6spd 4x4manual hubs
6"Fabtech w/35"s
'01 Stroke CCSB 112k 6spd
5" lift, 35" tires 4" straight
NAPA 6637 Intake, Wicked Wheel
TS T6 Pyro/Boost Gauges
AIH/EBPV Delete
2005 6.0, 2001 7.3, 2-'99, '97,'96,'95,'92IDI, 3-Cummins
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post #6 of 9 Old 06-27-2011, 01:25 AM Thread Starter
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i dont have a wiring diagram so i would be afraid to do any jumping without one
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post #7 of 9 Old 06-27-2011, 02:16 AM
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I can post the wiring diagram if you need it. Let me know!



2005 Lariat CCSB F-350 SRW
300,000 miles and going strong

Exterior
12" fabtech lift with 40" Xterrain's on M/T classic locks, Adjustable track bar, Bilstein 7100 reservoir shocks

Performance
Edge juice/attitude CTS, SCT with ID tunes, Snow meth. injection, Diamond eye 4" exhaust, 03 turbo, ARP studs, Sinister coolant filter

Interior
2010 stone seats/console, pioneer avic d3 with backup camera/bluetooth

Misc.
Viair 450c compressor, dual 2.5 gallon tanks, air horns rated @115db
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post #8 of 9 Old 06-29-2011, 07:00 PM
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I've heard of the motors freezing up due to not using them very often. try tapping on it lightly with the truck in neutral while someone switches it over.

Nater
1995 f-250 rclb
7.3~317k miles & countin
3" Downpipe
Superduty 10.5" 3 pinion Trac-Lok rear
Dana 60 s.a.s

1997 ccsb , 353,500 miles
5" lift on 315x75x16 cooper at3's.
Clear headlights, tinted tails, rear buckets,
Dana 60 swap, zf5 swap.
rosewood 180/100's, t500 hpop, php hydra, e fuel.
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post #9 of 9 Old 06-29-2011, 07:05 PM
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I'd be careful doing that-While the truck is driveable as it is, if you get it in 4 low without fixing the issue, getting it out will be an ordeal, and it will not be drivable.



2005 Lariat CCSB F-350 SRW
300,000 miles and going strong

Exterior
12" fabtech lift with 40" Xterrain's on M/T classic locks, Adjustable track bar, Bilstein 7100 reservoir shocks

Performance
Edge juice/attitude CTS, SCT with ID tunes, Snow meth. injection, Diamond eye 4" exhaust, 03 turbo, ARP studs, Sinister coolant filter

Interior
2010 stone seats/console, pioneer avic d3 with backup camera/bluetooth

Misc.
Viair 450c compressor, dual 2.5 gallon tanks, air horns rated @115db
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