2004 trailblazer remote start issues

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lessthan222

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Joined: July 29, 2009

Location: Arizona, United States

Posted: July 29, 2009 at 8:57 PM / IP Logged

I have installed an sp-400 with an int-sl module. Everything works fine except when I remote start the a/c compressor doesn't come on, the fan works and the a/c switch lites up. I also have the abs light, parking brake light, and the gas,temp, and battery guages in the dash don't work. I have connected the pink(ign), white(ign2), and the orange(acc) wires and have checked during remote start and all have power. I used a relay for brown(acc2) with no luck. Does anybody have any ideas???

chev104275

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Joined: November 26, 2007

Location: Massachusetts, United States

Posted: July 29, 2009 at 9:14 PM / IP Logged

sounds like one of your ing or acc wires are not getting powered up have you checked to see if you have 12v at all the ing and acc wires when remote started ?? do they act the same using the remote start as they do with the key

If i Can't Install it I Don't need it Joe

lessthan222

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Joined: July 29, 2009

Location: Arizona, United States

Posted: July 29, 2009 at 9:26 PM / IP Logged

yes i have 12v on both ign through crank and 12v on acc wire when remote started and when i use the key

soundnsecurity

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Joined: November 10, 2008

Location: Louisiana, United States

Posted: July 30, 2009 at 8:43 AM / IP Logged

are there any unused heavy gauge wires left at the ignition harness? if so, then you should test them to see what they do. who knows you might have a 3rd acc or ignition that needs to be powered up. dont trust tech sheets, trust yourself. i learned that after spending 3 days on a neon just because the tech sheet forgot to mention anything about a 2nd ignition.

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yimke

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Joined: June 23, 2009

Location: Nebraska, United States

Posted: July 30, 2009 at 12:48 PM / IP Logged

Try each wire on the heavy guage to make sure it outputs the same when the key is used, as if you were to remote start it.

If not, you might have a 3rd ignition as mentioned before. But I believe the trailblazers only have those 4 wires.

lessthan222

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Joined: July 29, 2009

Location: Arizona, United States

Posted: July 30, 2009 at 4:05 PM / IP Logged

they do have only pink(ign1), white(ign2), yellow(starter), orange(acc 1), Red and red w/white(12v constant), and brown(acc 2). I tested all of the small guage wires w/ no luck. I tried hooking up through relays to the ign wires thinking the alarm was not supplying enough juice through itself, and that didn't work! I am at wits end!

kgerry

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Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: July 30, 2009 at 4:35 PM / IP Logged

and this issue only occurs when R/S'ing the vehicle?? never with the key?

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

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2004 trailblazer remote start issues

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