The control air (small hose) on any of the rear brake R-12 relay valves. It will be teed and go to the R-12 that comes with AF-1. Supply air to AF1 can come from the converter tap in or near the passenger side bay behind the tag.
Senior Member
The control air (small hose) on any of the rear brake R-12 relay valves. It will be teed and go to the R-12 that comes with AF-1. Supply air to AF1 can come from the converter tap in or near the passenger side bay behind the tag.
Gil and Durlene
2003 H-3 Hoffman Conversion
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