MrMarty51
Full Access Member
- Joined
- Oct 25, 2012
- Posts
- 7,879
- Reaction score
- 10,237
- Location
- Eastern Montana
- First Name
- Martin
- Truck Year
- 1978
- Truck Model
- K20
- Engine Size
- 400
OHHhhh,that circuit.LOL I never heard of it call a hot fuel module is all.Thank You.Allows the fuel pump on heavier duty models prime for 15-20 seconds, compaired to the 1/2 ton 2 second priming.