The regulator fuse on a 1973 FJ40 is fuse 6 (Hazard fuse) not fuse 7 (Ignition) . It should be a Green/Red wire at the fuse panel. Inside the harness the White/Red wire is spliced to the Green/Red wire and goes out to the regulator three pin...
To verify my searches, my question is the supply line is now the pipe on the bottom and the return is the side where my original supply was? Yes, the supply on the newer tank is the pipe on the bottom. The return (for later models) was rerouted...
Remember that 2 of window channel retaining screws thread into path of the glass, and require short screws. If you use the long screws by mistake, you will shatter the glass if it's in the way.
Put a piece of masking tape over the holes for the...
Wow, three posts in and the story is starting to come together.
Whatever the source of the relay, the manufacturer should have a schematic with the information you seem to be seeking. Otherwise, pry the cover off and figure it out.
I can’t see where you 12v switched is coming in from for your DUI. But, this connection, pink wire in pic, is 12v switched for the DUI. That connection is a single point failure. Easy to confirm or deny as a prospect culprit for your issue.
Wiring diagram from Cruiser Wiring - http://www.globalsoftware-inc.com/coolerman/fj40/wiringmainframe.htm
Thank @Coolerman for his efforts on building his website, and buy your wiring supplies from his online store.
Item 12 is the horn relay...
The fiche card shows cover 51495 fastened with 91651-40825 screws.
Those screws are M8 x 1.25 x 25mm long with integral lock and flat washers made from low/medium strength carbon steel.
PTO winch was not an option in the US market after 1/79. The routing of the exhaust on the 79 and 80 models blocked the PTO winch driveshaft path. 8/80 the transfer case changed to a split case which requires a different PTO. Those were were not...
The late F155 with the new oiling system, often referred as the F1.5 started with the 9/73 74 model year. Those have the oil filter on the passenger side between the fuel pump and distributor. Is there a place for oil filter there. The aluminium...
The date goes back to 9/67 the start of the 68 model. 3/69 is the date Toyota decided years ago was the earliest date that would support in the parts system. For early FJ40 have to support old parts books, micro fiche or something that was posted...