Re: Am I Too Paranoid?
Amateur wiring can be a big problem on H2s with add ons. As for the elctrical system in general, it's reliable except for the igntions on pre 06s and the instrument clusters on 03 to 05s. Mileage is not as important as condition and maintenance history on older Hummers. Always get a PPI prior to buying unless you go with a dealership like Sewell or Lynch or one of the other prominent ones.
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