2003 maxima, ultrastart 1270tl

I need to use my GWR(-) to trigger several things in an '03 Maxima --

1) Bypasskit immobilizer bypass

2) Antigrind relay

How do I diode isolate it?  Thanks

... it's a GREEN / WHITE wire in the SECOND wire harness behind the HVAC cluster

It has a 12.4-ish voltage that needs a pulsed or latched negative(-).

You want to be able to "put thru" ground, and NOT have any voltage "feed back."

Install your diodes on SEPERATE wires for each to be triggered with the cathod towards the device to be triggered.

Installed an Ultrastart 1270TL in an '03 Nissan Maxima -- everything works flawlessly -- one catch:

When you remote start and then remote shutdown without ever getting into the car to turn the key to "III" and hit the brake and start driving -- the auto headlights never shut off -- they remain on (presumably until the battery dies -- although I didn't wait that long).

Is there a quick way to wire something such that the auto headlights will go off when I remote shut down?  Thanks

I'm not sure if the Ultrastart has a wire that pulses negative after remote shutdown --

I guess i could relay the signal from the horn wire (off the Ultrastart 1270TL) to the BCM and give that BCM door trigger wire a negative pulse (the ultrastart will honk twice after remote shutdown).

thanks for the tip, will let you know how it goes