1997 K1500 Chevrolet Silverado GMT400 cold start 25F in cab blazer computer overhead console mod

1997 Chevrolet Silverado K1500 GMT400 5.7L 350 cold start 25F. 210K miles, original sbc engine and 4l60e trans Flowtech shorty headers, Flowmaster headpipe with high flow cats. Flowmaster muffler. True dual 2.25" exhaust. Extended cab, short bed, third door. 285/75/R16 BFG K02 Tires. Stock height, no lift. F44 Semi float 14 bolt rear-end 3:73 gears. G80 Blackbear tuned. Blazer overhead console computer mpg, outside temp functions mod. GMT800 outside temp mirror.

[@joshuas10]

Was this a plug and play install or more complicated?

[@doctube2020]

Not plug and play. You have to run several wires. There are detailed write ups on GMT400 forum and here. www.ppediesel.com/forum/viewtopic.php?t=10980