2003 F150 keyless problems

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ucmwp

Member - Posts: 7

Joined: October 11, 2002

Location: United Kingdom

Posted: August 16, 2004 at 3:50 PM / IP Logged

Hi, i'm installing a keyless entry and remote start in my 2003 f150. It came with factory keyless entry. when I connect the wires up to the relays for the 5 wire alternating system, the doors lock and unlock continously. Is this system not a 5 wire like I thought? Any thoughts?

raydawg357

Silver - Posts: 769

Joined: June 17, 2003

Location: United States

Posted: August 16, 2004 at 3:54 PM / IP Logged

No this is not a 5 wire setup, it's only 5 wire without the factory keyless entry

FORD, F SERIES LIGHT DUTY, 2003, Power Lock

Negative pulse, type B, on keyless entry models. Five wire, type C, on non-keyless models, mastered from the driver switch.

Do it right the first time

SoundFX411

Copper - Posts: 153

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Joined: October 20, 2002

Location: New York, United States

Posted: August 16, 2004 at 8:04 PM / IP Logged

That's right, it's a neg pulse circuit.

Lock----- Pink / YELLOW

Unlock--- Pink/light green

Located in the drivers kick panel

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2003 F150 keyless problems

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