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International Automotive Technicians Network
Re: 03 Express Van,5.3L, high idle
Posted to Technical Discussion Forum on 3/14/2006 1 Reply

Hiya Gregory,

There is a TSB #04-06-04-028 for the wiring harness chaffing against the control arm. Also check TSB#04-08-45-004 which dealed with the wiring chaffing under the instrument panel. You've pretty much got the area of concern down, just have to go... Login to read more.

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