Any ideas as to which color wires are for which function on a 1987 wagon?

I did search the forum but the color codes I found do not match the wires on the car's harness.

In the tire well I pulled the six pin tail light plug and looked at the wires....

1. Black with red strip should be brake lights.
2. Brown for common ground.

3. All black?
4. All grey?
5. Grey with yellow strip ?
6. Grey with green stripe ?

wires 3,4,5,6 do not match the colors I've seen posted elswhere for the tail-light group, unless I searched the wrong posts.


for the right turn signal wire there is the remains of an old wire tapped into the harness on that side so no worries there.

Anyone know what wires 3,4,5,6 should be based upon those colors for a 1987 diesel wagon?

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1987 300TDT
1981 VW MKI Caddy 1.6 diesel, waiting on engine swap
1983 D-50 Power Ram 4x4 "Mitsubishi" 2.3 turbo diesel
assorted gas powered crap and motorcycles

RIP: 1984 300TDT, 1982 300TDT, 1984 190D 2.2, 1992 300D 2.5, 1987 300TDT, 1982 Maxima LD28, 1983 Maxima LD28, Isuzu C223 P'ups X3, 1983 Holiday Rambler 6.2 Banks turbo diesel, 1984 Winnebago LeSharo 2.1 TD, 1985 Allegro 6.5