Remote Hatch Opener

ChrisSlicks · 10-01-2010, 07:54 AM

Quote:

Originally Posted by spearfish25

I think the issue is the type of switch. Someone on here mentioned the BCM needs diode switches or else the signals in the BCM crosstalk and you activate more than one thing at a time.

The diode is nice but isn't strictly required if the component has it's own input.

So your choice is run wire the length of the car and hook it in parallel to the existing switch or run it back to the BCM.

Mt Tam I am · 10-01-2010, 08:51 AM

For me the best place to remotely open the hatch is on the key fob. It is when I am carrying stuff to my car I suddenly remember, "Oh yeah, it's this stupid car again."
I would use the unused convertible switch placement for the hard wired switch.

wilsonp · 10-04-2010, 11:30 PM

Quote:

Originally Posted by ChrisSlicks

The diode is nice but isn't strictly required if the component has it's own input.

So your choice is run wire the length of the car and hook it in parallel to the existing switch or run it back to the BCM.

The basic issue is the BCM has a shared multiplexed input scheme for the hatch button, the turn signal, the headlight switches, etc. So the diode prevents the system from becoming confused when multiple switches are closed.

ChrisSlicks · 10-05-2010, 07:35 AM

Quote:

Originally Posted by wilsonp

The basic issue is the BCM has a shared multiplexed input scheme for the hatch button, the turn signal, the headlight switches, etc. So the diode prevents the system from becoming confused when multiple switches are closed.

Hence the "if" it has it's own input. If it is part of a logic matrix like the headlight switches then the diodes would be required. I was the one that told Travis to add them for his headlight switches

10-01-2010, 08:51 AM	#2 (permalink)
Mt Tam I am A True Z Fanatic Join Date: Jun 2010 Location: California Posts: 10,709 Drives: 370Z T/S/N 6MT & XKE Rep Power: 3844	For me the best place to remotely open the hatch is on the key fob. It is when I am carrying stuff to my car I suddenly remember, "Oh yeah, it's this stupid car again." I would use the unused convertible switch placement for the hard wired switch. __________________ "Does the carpet match the drapes? NO!!! I don't date bald women." Nissan Motorsports 34R Oil Cooler. Stillen CBE. Hotchkis Sport Sway Bars. KW Variant 3 Coilover System. Stillen Gen3 CAI. Michelin Pilot Super Sport. Stillen Brake Ducts. Carbotech™ XP10/XP8 Pads. Z1 Front Rotors. Z1 Stainless Brake Lines. Two degrees of camber

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