1975 Wiring Harness repair - fix or delete seat sensor wiring Options

[DaveB]

I just removed the wiring harness from my '75. I am not sure what the PO did or what happened but there are a lot of shorts with melted and exposed wiring. The seat wiring is melted into a large uniform mess.

I hate any form of lock out with seat belts. Can I remove the wiring and sensors or is there any reason I should restore the wiring under the seats and then make the modification to delete the lock out and fasten seat belt signals? I can't imagine a future owner thinking they would want to have the wiring available to connect a starter lock out to the seat belts.













Thanks,

DaveB

[davep]

Thanks Jeff. Just had another look at my LE, and noticed it has not had the 2 yellow wires bridged. Also, no short brown wire from pin 31 to the spade under the bracket, but the spade is there. The double brown wire that is loose on all the other harnesses ais loose on mine as well, but the pin 31 spot is open, so can go there. My interior light has just 2 brown wires, the others I have sport 3 wires.
The master cyl started with 2 pin switches, and went to just one, so the latter is later.
The 311-963-141-B, small cube is just a simple 15A power relay used in many applications and is available in many power levels to about 40 A or more under different part #'s. The buzzer must be integrated within the 133-919-431 (what I call the Logic relay) (In German it is marked as Logik-Relais, so who am I to argue). The buzzer, as used on the fuse panel is just a 2 pin device, so I think it is integrated, besides, the 311 relay has an obvious other purpose from the connections it has. I almost think the 311 relay was added and several wires rerouted, the 2 wire brown on 31 was replaced by the single brown to the spade and the black & black/red pair was pulled from 30 (133) and the triple black connected to it going to 85 (311) + 85 (133) + 30 (133) . This triple black is on my LE harness even though it uses a Marrette Twist-on connector.
Starbear says his early 74 1.8 also has several 1973 wiring characteristics; I will have to ask for specifics. I would really like to rewrite the current flow diagram to correctly reflect the actual cars.
The seatbelt connectors on my LE are mostly missing, so I want to be able to rebuild that section of it.
I think the factory current flow diagram for 1974 USA was correct at one time, but when and why it changed I do not know. Strange that the 1975 USA is the same as the 1974 in the logic relay connections as though nothing was formally changed. Then 1976 was simplified totally.