hornet 570t remote start

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1997gmcyukon

Member - Posts: 16

Joined: June 10, 2012

Location: Louisiana, United States

Posted: June 13, 2012 at 7:54 AM / IP Logged

Good Morning,

I have recently installed a HORNET 570T remote start and door lock/unlock in a 1997 GMC Yukon 2/door. The remote start is working fine but having trouble with the door locks and programming my remote. I had to add a DEI 451 Micro doorlock relay module. I am indicating that I have Type C door lock circuits. Directly wired (no factory relays) reversing polarity switches??? So I used the wiring diagram "c" that came with the relay. Tried to activate the doors and I can here the signal in module but the doors are not locking/unlocking. Is there a way to check to see if I am getting a signal coming out of the module?? hornet 570t remote start - Page 3 -- posted image.

1997gmcyukon

Member - Posts: 16

Joined: June 10, 2012

Location: Louisiana, United States

Posted: June 13, 2012 at 8:31 AM / IP Logged

These diagrams are what I am going by:

hornet 570t remote start - Page 3 -- posted image.

1997gmcyukon

Member - Posts: 16

Joined: June 10, 2012

Location: Louisiana, United States

Posted: June 13, 2012 at 8:33 AM / IP Logged

1997gmcyukon

Member - Posts: 16

Joined: June 10, 2012

Location: Louisiana, United States

Posted: June 13, 2012 at 8:41 AM / IP Logged

When I push on the remote the box (module) receives the signal. I can here it clicking. Just not sure how to check if the signal is leaving the box to the doors??and what voltage should I see if any.

*Blue wire indicates a (-) unlock and green wire indicates (-) lock. I disconnected the plug and tested the blue and green wire with my meter. I engage the remote while still plugged to my meter and get nothing leaving the module?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: June 13, 2012 at 9:53 AM / IP Logged

First test at the 570t.

Use a DMM, red probe to power source and black to each wire.

Connect to blue, on arming you should get 12V+ momentarily.

Connect to blue, disarm should be the same.

That tells you the 570t is OK.

Is this a 2 door or 4?

If 2 wire as follows; if there's a switch in both doors, use the passenger door switch and follow this diagram.

yukon_lock.bmp

If it's a 4 door take the first diagram, turn the diodes round and connect directly.

kreg357

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Joined: January 30, 2009

Location: Pennsylvania, United States

Posted: June 13, 2012 at 10:09 AM / IP Logged

Info for 2 Door vehicle with Type C locks...

Verify +12V at 451M module side of the 15mp fuse in the Purple,

PURPLE / Black wire. ( Also verifies fuse. )

Verify +12V output on 451M Module GREEN/ Black wire with Lock command.

Verify +12V output on 451M Module Blue/Black wire with UnLock command.

Another test. Disconnect the White 3 Pin plug between the 451M and the

Hornet. Apply +12V to the center Red wire, then briefly ground either

the Blue or Green wire to simulate a lock or unlock command.

One possibility, 451M output wires are reversed on the cut Lock and Unlock

vehicle wire. The install guide describes the test procedure to identify

the correct wiring connections.

Soldering is fun!

1997gmcyukon

Member - Posts: 16

Joined: June 10, 2012

Location: Louisiana, United States

Posted: June 13, 2012 at 11:19 AM / IP Logged

Thanks again Howie and Kreg. Will try that.

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hornet 570t remote start

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