what is this??? (2)
Burning Brakes
Joined: Jun 2002
Posts: 837
Likes: 3
From: Texas
On a 74 that should be the high speed blower motor relay. Mounted on the HVAC box passenger side. Looks like there should be more wires though. Orange and purple are correct, but should also be a dark blue into that same plug. Then, a single black (ground) on a separate spade next to the plug.
Melting Slicks
Joined: Jan 2003
Posts: 2,713
Likes: 31
From: Shreveport LA
LA Events Coordinator
Originally Posted by goinbroke
On a 74 that should be the high speed blower motor relay. Mounted on the HVAC box passenger side. Looks like there should be more wires though. Orange and purple are correct, but should also be a dark blue into that same plug. Then, a single black (ground) on a separate spade next to the plug.
