I am tracing a circuit in a wiring diagram, and there are various numbers
and letters o the diagram that i have no clue what they are for. Such as SU,
and other numbers 31, 50 X............some i do know but there are several
uncommon ones such as the SU.........

Adam P
Charleston,SC     Coburn, WV
81  Westy "The Brick "
70 Single Cab "Whitey"
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Used Vanagon Parts for sale (mostly aircooled)