Ricko1966
Full Access Member
- Joined
- Apr 11, 2017
- Posts
- 5,600
- Reaction score
- 9,118
- Location
- kansas
- First Name
- Rick
- Truck Year
- 1975
- Truck Model
- c20
- Engine Size
- 350
Your truck shouldn't have a relay or an electric pump. It should have a mechanical pump on the passenger side of the block,down low front corner. Verify. Then Verify if it has three lines running to it