03-07 AUTOMATIC HVAC with the digital display.
- Start the truck and set the HVAC controls to AUTO.
- Shut off the truck
- Pull the HVAC/ECAS fuse in the underhood fuse relay block.
- Leave the fuse out for 2 full minutes.
- Re-install the fuse.
- Start the truck and wait til the HVAC finishes calibrating all the motors. It'll take a couple minutes.
- Switch the truck off for full 15-20 seconds.
- Restart the truck and check that it works now.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
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