Re: HELP! All lights and radio work except dash and tail lights 85 cam
Get a Haynes manual from the parts store and read the electrical schmatic in the back.
I think taillight wire is brown? It would be the same wire to both sockets.
Since brake lights work, socket ground would be good.
Taillight fuse still good? take a meter or test light and see if voltage is present on the ATO fuse - see the little gray slits on top of the fuse? go there to measure voltage, then to the lamp socket, remove the bulb, and test tabs at the bottom of the socket. If voltage is there, then the tab is too deep in the socket and with power off, pry up alittle on the tab to touch the bulb.
There is a body harness running through the drvr rocker panel, under the door sill, I think. Connector from inst harness to body harness would be in the kick panel area.
Dash lights may need a firm twisting of the brighness control, rheostat may have a burn spot on it.
Reading the book, if all the above fails, the book will show the power route from the battery to the switch(es) and to the lights. Better than nothing.
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