Rally dash redo

4spdragtop said

Ok in 68 white wire to "D" b/h cavity leads to backup lamp switch(a/t). Not to confuse but violet at "C" also leads to backup switch.
For 67 the b/u switch has me confused....18 ga white and a 18 ga violet. Hard to tell if white comes from bulkhead (H cavity) or if white is from Wiper switch??:wtf:
18 ga violet leads to #4 cavity "to body wiring"> to b/u lights.
Wheres the dynamite emoji? Lol

Click to expand...

Reverse lamp switch for automatic trans was inside the cabin on column or console shifter until about April 68. Then it went out the bulkhead to switch on trans. Reverse lamp switch for manuals trans was always through bulkhead. My 67 diagram shows white in 'H' cavity.
So you and Matt have determined the 67 model turn signal circuit is powered from accessory weld splice. That reads as turn signals were not fused. My diagram shows the same.