To avoid having to buy a new relay right now, i'd like to hook a switch up in the car that turns the power going to the relay on and off. Does anyone know where I can interrupt power that controls the relay, or preferably where the ground is that I can splice into? If I take off the smaller plug on the relay (I believe it has 4 pins) then the light goes off and i'm guessing theres no power going to the relay then. So insted of having to go under the hood to unplug the relay after I get the car started, id rather just flip a switch and shut it off. Plus its kinda a theft deterrant because if its cold and u have the switch off u can crank the car all u want but the battery will just die and badguy wont get ur car!

Is there a certain size amperage switch I will have to use?


In a previous post I had stated that my glow plug light comes on while i'm driving sometimes (more often now) and according to my volt gauge I installed the relay is for sure warming up the plugs. The relay still lights up the plugs just fine, and the car starts up just fine when cold. Its just after the car is running or driving the relay kicks on and warms up the plugs up which is no good.

to avoid having to buy a new relay right now id like to hook a switch up in the car because the relay still does its job but it doesnt know when to quit!

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1985 mercedes benz 300D turbo diesel
1998 VW GTI VR6
1996 VW GTI 2.0
1999 saab 9-3 turbo
1987 300sdl (sold)