Keyless entry and alarm, 2002 Chevy Impala

No, you've done something wrong if the fuse blows. Make sure it's wired as I posted.

So I got a new fuse and double checked my wiring. Everything looks good. I go and give it a shot and nothing. Is it possible that I got the wrong ORANGE / black wire for look/unlock in the bundle by the fuse box?

I got it all working. There is two ORANGE / black wires by the fuse box.

Last night we had so strong winds and caused the alarm to go off multiple times. Which way should I turn the sensitivity knob so that it is not as sensitive? I know this may seem like a retarded question but I am not sure which way the pot a set for resistance.

Anti clockwise.

Update: So I adjusted the sensitivity and alarm still goes off without notable cause from the exterior. I found that the door trigger wire drops below the voltage that the alarm system is seeing. This makes the alarm think there is a ground thus making the false alarm. My current trial fix for this is a SPDT relay. I have the door trigger cut so that it has to go through pin 85 to 86 and have a jumper from 30 to 86. The system wire is attached to the 87A pin. This way while the trigger line is energized the 87A to 30 route will be open leaving the standing voltage on the system. As soon as the trigger circuit is not energized the route between 87A and 30 will close, allowing the standing voltage to drop and setting off the alarm. I will update late after the system has time to run its course.

Door trigger drops below voltage??? Well that's a first in 40+ years in the game. If you have a NEG going door trigger connected to your green wire on the alarm it will see 12V+ when door closed and 0V+ when a door is opened. It needs to see the 0 to actuate the alarm. Why don't you use the alarm's diagnostics. Second that relay, fed continuously a recipe for a drained battery.

Left front = dark blue BCM grey 16 pin plug, A8 Right front = dark blue/white, same plug A1 Left and right rear; as right front. Diode isolate from each other and look up 1076 in the Downloads/Manuals section. Bet it was triggering every half hour or so.

the door pins do not drop in voltage. The enter a self test mode to verify if doors are closed, causing errors. Howie mentioned to follow 1076, that will solve your problem. Unplug the harness from the BCM, it will give you plenty of slack to work with.Ted

2nd Year Tier 1 Medical School

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