Guide B-31 is popular and expensive. It would have been Chevy dealer available for cars and truck. For trucks one would install a back-up switch underneath the dash. Since the T5 is not an original transmission you could change out your tail light(s) with modern ones that include the white backup lens.
Last edited by buoymaker; 06/17/20222:29 AM.
"Adding CFM to a truck will only help at engine speeds you don't want to use." "I found there was nothing to gain beyond 400 CFM."
