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While replacing a faulty ignition switch I noticed a drop of antifreeze on the heater control valve. The PO had to notice since he tried to seal it with silicone. He neglected to mention it to me.

Will be ordering a new one soon. Are they really that difficult to replace?
My car is non-AC will ...

Hi,

My euro spec 518 has a nice big clock where the tachometer would be. Right now the clock is not operational. I would prefer a working tach. I have scored an NOS tach for a 518. What are the chances that the wiring is in place and all I have to do is plug and play?

Would would be required to ...

Mike,

I'm sure I'm on the right conector on the starter. I'm able to get it to crank when I apply power direct from the battery. I'm suspecting the combo relay because I have power going in where I should but have no power comming out to the fuel pump brn/grn wire. Could a bad combo relay be the ...

I'm so close to having my car on the road but now I've got a problem.

A Little background:Pulled the bad motor and AT from my 74 e9 coupe last year and have dropped in an engine and 5sp from a good running 1981 e12. All mechanical work is done. I'm in the final stages of wiring but can't engage ...

Thanks guys! Makes sense that it's an AC power wire. That explains why it would not show up on the wire diagram.

John M

Hi,

I'm new to the board. I'm in the process of installing L-Jet injection into my 74 e9 coupe. I'm wondering what the black wire coming out of the wire harness along with the green wire for the O2 sensor is used for. I've included a link to a picture.

http://s1225.photobucket.com/albums/ee392 ...