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01-05-2016, 01:22 PM
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#1 |
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Rusty Rockerfeller
 Join Date: May 2003
Location: South Georgia
Posts: 1,631
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2003 1500HD Service 4wd
The "service 4wd" message is showing on my 2003 1500hd. I replaced the 4 wheel drive switch in the dash and didnt help. Any ideas? Thanks
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01-05-2016, 02:29 PM
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#2 | |
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Registered User
Join Date: Apr 2013
Location: Leitchfield, KY
Posts: 23
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Re: 2003 1500HD Service 4wd
Quote:
__________________
69 C10 Longbed- 406 c.i. SBC, 175 shot, 7.52 in an 1/8th. |
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01-05-2016, 02:54 PM
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#3 |
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Rusty Rockerfeller
Join Date: May 2003
Location: South Georgia
Posts: 1,631
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Re: 2003 1500HD Service 4wd
Switch does not light up. No 4 wheel drive.
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04-04-2016, 02:52 PM
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#4 |
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Registered User
Join Date: Jul 2013
Location: Forestburg, Texas
Posts: 659
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Re: 2003 1500HD Service 4wd
Could be module under dash on D/S also could be shift motor on xfer case or front axle. Could be speed sensor on xfer case could be wiring.
I know this does not help much but that all there to the systems. pretty simple and self contained.
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Mark Jesus is the Way! 2003 2500HD CCLB Duramax/Ali (Clifford) 2014 2SS/RS black on black Camaro (Betty) 2006 Pontiac SOLSTICE silver/black (Lula-Bell) 1970 C/10 Short Wide (Peggy) 1964 C/10 Short Step (Hambone) RIP Jimmy Hamilton Thank you for the trucks |
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04-05-2016, 02:49 AM
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#5 |
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Senior Member
Join Date: Jul 2010
Location: South Dakota
Posts: 4,093
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Re: 2003 1500HD Service 4wd
A common issue is either a ground wire or the switch on the transfer case. Can't think of the details now but the dieselplace forum has good info about this issue. Does it work if you restart the truck?
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1969 Chevy c20(Miss Hackjob) |
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