RAM 3500 Van V8-360 5.9L Magnum (1995)
Compressor HVAC: Testing and Inspection
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Circuit A21 splices to the coil sides of the Automatic Shut Down (ASD) relay and fuel pump relay
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Circuit Z1 provides ground the A/C-Heater select switch for defrost or A/C selections. The grounding point for circuit Z1 is at the instrument
panel, above the headlamp switch.
