It is a sliver box bolted to the firewall.
inside the alternator.
The regulator should be mounted on the fender, probably on the passenger side. The regulator is a small black box.
Inside the rear of the alternator
It's built into the alternator. Jim
7700
Which regulator?
Should be under the hood, attached on the inside of the radiator support on the passenger side.
The 1978 Dodge lil' Red Express pickup truck should be in the top 10 list. In 1978 The Dodge Lil' Red Express was the fastest American made vehicle from 0 to 100 MPH as tested by Car and Drivermagazine.
If it's like my 1978 it's just in front of the battery bolted to the chassis at about the same height as the battery. You need to pull out the battery to get to it.
u have to pull the whole distributer to change the pickup coil
1978 Chevrolet Big10 pickup
1978 RV Dodge Beaver Sportsman Weights?