Do I Need A Diode For This?

Im hooking up my negative triggers for my doors in my 1986 Mazda RX-7 and i was just woundering if seeing as the wire gets positive voltage throught it to turn on the light for the door. Should i hook up a diode so no positive voltage goes into the negaitve trigger. The circuit looks like this: battery(+)---- warning ----- door open ------ ground (-)                              lamp           switch

oh ya i want to splice the negative trigger into the circuit between the warning lamp and the door open switch.

Itf that dont help email me dchjr13@hotmail.com

just run your negative door trigger wire to the blue wire w/ white stripe that is located under either door still plate and you should be go to go.

So Javelin3o4 your sayin I dont need diodes then.

Why is this so hard to understand. This is a basic connection involving 1 wire, so no diode is needed. The only time you need to use a diode on a door trigger is when there is more then 1 wire involved.Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

K I thought thats what it was but a friend started telling me all of the other crap about diodes so I just thought id ask and make sure. So if I made anyone mad.