have this 76 280c . reading wiring diagram .in Mercedes electrical troubleshooting manual . f20 fuse box for aux fan has a rd and bk 2.5 wire coming off batt bus then a rd/ bu 2.5 wire coming off other end of fuse box going to # #30 on aux fan relay . in picture of my 76 280 c have 3 wires red coming from fuse box .hot at all times. tested with test light . a blue wire going into firewall .and a black wire going into firewall . in electrical manual doesn't show main fusebox. anyone have a 76 280c that can say where the red hot wire goes to should the red and black wire be attached to same fuse box f20 mounted in lreft fender firewall behind the main fusebox?
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05-25-2018, 07:58 PM
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