I'm replacing the original GP harness on my '93 Cheyenne, and have some questions about removing the factory one as it is hardwired in to some other spots I was not aware of.
Specifically, on the driver's side, the hot lead from the GP side of the relay (passenger side terminal of the relay)...
CHEVY/GMC 6.5TD GLOW PLUG RELAY (NEW)
Fits 1994 through 2002 (no box) this was in my parts box in my Suburban shows some scuffs etc.
$28 with USPS Priority Service (ground) and tracking included US mainland only.