1999 - 2006 (GMT800) Section for all discussion related to the 1999-2006 Chevrolet and GMC trucks.

Cruise control only works with trailer attached ???

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Old Jul 16, 2017 | 6:04 AM
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Default Cruise control only works with trailer attached ???

02 2500HD LS 4x4 6.0. Cruise control stopped working after replacing the front turn signal/marker lights with led. Now the cruise control will only work if I hook up to a trailer. Works fine with trailer, no response without trailer connected. Open to suggestions.
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Old Feb 14, 2022 | 9:16 AM
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Default Same problem

Originally Posted by 02HD
02 2500HD LS 4x4 6.0. Cruise control stopped working after replacing the front turn signal/marker lights with led. Now the cruise control will only work if I hook up to a trailer. Works fine with trailer, no response without trailer connected. Open to suggestions.
I’ve got the same problem with my 2000 1500 4x4 5.3 ever figure anything out with this?
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