81 300sd relay identity? [pix inc]

Jul 13, 2006 4 Replies
Z

i have 3 junk mbz books, a 126 cd i bought on ebay, and the official heating and climate control book i just bought on ebay for a whopping $129!!! have searched mb groups till i am blue in the face and still can find no reference as to the identity of the relays in this photo!! somebody please help me.... i hear people talking of location a,b,c position etc. can't even find that info. this is an 81 sd. hope you can help me... -gary



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ps. i am working on my a/c and trying to figure out why i have no power to the pressure switch..



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T

The power windows use relays; in my 116 they are behind the panel to the left of the parking brake - perhaps in your more modern model the PW relays were placed here - with the other electrical items. My supposition, NOT first hand knowledge.

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R

Off the top of my head two of those are seat relays. It's in the schematic portion of the CD.

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W

This is the abstract from manual (Chassis and Body, page 1502)

1st version (up tp 9/85) A Headlamp cleaning system Seat adjustment B Aux. fan C Aux. fan (preresistor) For engine 116, 117 Heater coil choke cover (preresistor) For engine 110.92 D A/C compressor (up to 9/81) E Power window/seat adjust. F Power window/seat adjust. G,H Aux. heater I ABS or lambda control J OVP or A/C compressor K Heated rear window (up to 9/81) L Int. wiper M Fuel pump

First row (nearest to fuse) from left (engine) to right (fender): A,B,C,D

2nd row: E,F,G,H 3rd row: I,L,J last row: K,M

Yours are A,B,D,E,F,L and K. However, these relays have noth> i have 3 junk mbz books, a 126 cd i bought on ebay, and the official

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