it would work , remove the fuse & run a wire from the fuse feed side by putting a spade terminal in the hole & connect to pin 86 of the relay , pin 85 to earth ,pin 87 back to the other side of the removed fuse ( with an inline fuse holder fitted with the removed fuse) , pin 30 to a permanent or ignition live (with an inline fuse ) , job done
Slight change to above but YES it works , Remove fuse 11 & run the wire from the live side to number 30 on the relay , 87 on relay back to the other side of where the fuse was , 85 to earth , 86 has to be a switched live feed that is live while cranking , The cigar lighter circuit isnt so I wired in a switch from the live feed at the fuse box . Turn the switch off & the car wont crank (extra anti theft item) , flick the switch & start the car as normal. Job Done
2006 silver SRT8 sold
2007 silver SRT8 sold
Mercedes E55K AMG sold
Mercedes CL600 Bi Turbo V12 Sold
I dont understand why the self switching relay doesnt work. I'm more confused that you fitted one AND a switch. Dont knock it with your knee on the move! I think I'd want it well hidden away in case I brushed against it
on the positive side, it looks very oem - congrats
I'm confused because the wiring diagram in the OP shows that a switch isnt neccessary...you're duplicating a fully automatic relay with a button. You could have done the same thing, without ever needing a relay
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