ground connections

  1. GM Guy

    Gauge cluster erratic

    2004 Chevy Venture LS model, 76k mi. Speedometer and temp gauges are acting flaky. Speedometer is jumps while accelerating or cruising and doesn't read 0 when standing still. Wife says the temp gauge doesn't come up to normal reading when van is warmed up.( I need to connect my laptop to it to...