I have searched high and low for this information and can only find people with the same problem. I am installing a remote starter in my car. It has a negative pulse rear window defogger. The accessory wire from the remote is "always" on positive wire. So my plan was to install a relay. The positive wire from the remote would activate the relay. The other side would be installed in the pulse line of the defogger. So instead of getting a negative pulse it would go permanantly to ground. Has anyone tried this?