2003 eclipse speed pulse wire

Printed From: the12volt.com
Forum Name: Mobile Video, GPS, and Navigation
Forum Discription: Mobile Video Head Units, DVD Players, LCD and TFT Monitors, Navigation, GPS, PS2, PS3, XBox, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=100935
Printed Date: June 26, 2025 at 5:24 PM

Topic: 2003 eclipse speed pulse wire

Posted By: quincieadams
Subject: 2003 eclipse speed pulse wire
Date Posted: January 08, 2008 at 4:18 PM

Well I have not posted anything on this form yet but I can tell u that I’m glad my dad uses/knew about this site because it has been a life saver. Well I need to hook up a AVIC-D1 in a 2003 eclipse gts but the only thing I’m not to sure about at this point is the Speed Pulse Wire. I have look at many different sites with wire diagrams but none of them paints a clear picture. I have read that the Tach Signal is White (AC) which is a single pin connector in the fuse box under the hood but is this the right wire and what does the (AC) mean? Any help is much appreciated

Replies:

Posted By: StealthEs
Date Posted: January 21, 2008 at 12:55 PM

Speed Sense

WHITE/ blue

data link connector right of column

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Cris

Posted By: StealthEs
Date Posted: January 21, 2008 at 12:57 PM

AC =An alternating current (AC) is an electrical current whose magnitude and direction vary cyclically, as opposed to direct current, whose direction remains constant. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. However in certain applications different waveforms are used, such as triangular or square waves.

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Cris