2004 Ford Explorer Sport Trac, Stellar Remote Start
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=147222
Printed Date: April 19, 2024 at 2:59 AM
Topic: 2004 Ford Explorer Sport Trac, Stellar Remote Start
Posted By: millrhet8428
Subject: 2004 Ford Explorer Sport Trac, Stellar Remote Start
Date Posted: January 14, 2022 at 10:09 PM
Hello, I am currently installing a stellar STERS1050 remote start on a 2004 Ford Explorer sport trac. I got everything hooked up just have trouble figuring out the negative input activation. Currently trying to use existing keyless entry fob. I read that I needed diode isolate pink/light green wire along with pink/yellow, which I have currently done so. And no luck, no lights on dash nothing when using key fob. I know if I tap the neg input activation wire 3 times on a ground the truck fires right up correctly so I know my bypass transponder is working correctly. Just scratching my head of what I have done wrong. Any input what so ever will be greatly appreciated. Thanks
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John
Replies:
Posted By: catback
Date Posted: January 15, 2022 at 8:41 AM
The PK/LG and PK/YE wires are from the door switch to the VSM (Vehicle Security Module). Nothing happens on them when you use the key fob. You need to use the driver's door lock motor wire (+) and invert the polarity to (-) for the STERS1050 negative activation input.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 8:47 AM
Do you know how to invert the positive to negative?
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John
Posted By: catback
Date Posted: January 15, 2022 at 9:07 AM
Convert a Positive Output to a Negative Output Relay Wiring Diagram
You MAY get away with just connecting the STERS1050 negative activation input to the drivers door lock motor (+) wire as it rests at ground and pulses to positive when the lock motor is activated to lock. The STERS1050 may or may not like having a constant negative/ground on the activation wire. If it doesn't then the above link is the solution.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 9:21 AM
Do you know which wire that would be? The diagram I have shows black/yellow but also has a (-) by it. Maybe I have the incorrect diagram.
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John
Posted By: catback
Date Posted: January 15, 2022 at 9:39 AM
It's a 16-gauge PK/BK that goes from pin 1 of connector C3203d at the VSM to each of the door lock actuators in the doors.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 9:44 AM
Would you diode isolate them to all doors or just one connection?
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John
Posted By: catback
Date Posted: January 15, 2022 at 10:12 AM
They are all common (spliced together), only a single connection is needed.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 12:25 PM
Is this wire accessible from drivers kick panel? And do should I be able to check with volt meter to see if it has voltage when locking the car?
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John
Posted By: catback
Date Posted: January 15, 2022 at 3:25 PM
Yes, it's accessible from the driver's kick panel. You should always test and verify wires, the correct wire will show a connection to ground except when the door lock button (on the door or key fob) is pressed at which time it will pulse +12v.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 4:00 PM
Awesome it works! Thank you! Do you have what should be hooked up for acc and ign. My blower motor is not coming on?
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John
Posted By: catback
Date Posted: January 15, 2022 at 4:29 PM
Do you have the Brown ignition wire connected as an Accessory on the STERS1050?
Vehicle Wiring Information
Posted By: millrhet8428
Date Posted: January 15, 2022 at 4:36 PM
I have it on the gray/yellow. Switched it to brown and it comes on. Do you know if grey/yellow needs to be hooked up also?
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John
Posted By: catback
Date Posted: January 15, 2022 at 6:17 PM
Gray/Yellow is powered when the key is in the ACC (Accessory) position*. It is not required for remote start.
* - ACC is not the only powered position, Gray/Yellow also receives power when the ignition switch is in the RUN position.
Posted By: millrhet8428
Date Posted: January 15, 2022 at 9:03 PM
Awesome, thank you again for the help. Everything is working correctly as it should.
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John
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