Air diverter Sol question.
#1
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Just installed a L98 from a 91 vette in an 89 gmc c1500. Got it running today, ac works, all guages work with excaption of speedometer. My question is what is the air diverter sol for? and do I need it? both the vette and truck ecm's are equipped for it, so if I need it, its just one more wire I need to run. I just don't know what its for. Thanks
Triggerjay
Triggerjay