1999 dodge caravan tach sense

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Scott99

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Joined: July 05, 2002

Location: United States

Posted: September 07, 2005 at 9:38 AM / IP Logged

Okay, so three years ago, I got a car starter for my wife and installed the whole thing, but couldn't figure out a way to get to the tach sense wire on a 1999 grand caravan. The thing has been sitting in the basement since. With winter approaching, I thought that maybe I should take another whack at it. Anyone have any ideas on how to tap into that without tearing apart most of the engine?

Scott Tomashek

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: September 07, 2005 at 11:27 AM / IP Logged

The tach wire is on the side of the PCM module located at the distributor where the plug wires are. The wire color is gray or gray/red

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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mo12v

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Joined: September 30, 2003

Location: Afghanistan

Posted: September 07, 2005 at 12:36 PM / IP Logged

Tach Signal

GRAY & D BLUE/TAN

AT POWERTRAIN CONTROL MODULE

(2.4L) *

* Each Wire Listed Above Is A 2 Cylinder Signal.
3.0L Tach Wire Is GRAY/RED At Powertrain Control Module (PCM). 3.3L & 3.8L Tach Wire Is GRAY/RED, D BLUE/TAN And RED / YELLOW At PCM (Each Wire Is A 2 Cylinder Signal).
PCM On All Models Located On Driver Fenderwell.

Don't Learn from Others Mistakes

You Might Be the One That Knows.

Scott99

Member - Posts: 7

Joined: July 05, 2002

Location: United States

Posted: September 12, 2005 at 8:34 PM / IP Logged

Newbie is probably too generous a description for my car abilities. I know a ton about audio, but very little about cars. So I know that the distributor connects to the spark plug wires but that's about it. How do I recognize the PCM (what is it really?).

Scott

mo12v

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Posted: September 12, 2005 at 8:56 PM / IP Logged

P C M ............Powertrain Control Module..........

Don't Learn from Others Mistakes

You Might Be the One That Knows.

Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: September 12, 2005 at 9:54 PM / IP Logged

DF5_tach.jpg

Hope this helps. Cant' get any more specific than this 1999 dodge caravan tach sense -- posted image.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

Scott99

Member - Posts: 7

Joined: July 05, 2002

Location: United States

Posted: September 13, 2005 at 11:00 AM / IP Logged

Thanks a lot for the help. I'll hopefully be able to get at this today. The picture really is a big plus.

Scott

Scott99

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Joined: July 05, 2002

Location: United States

Posted: September 14, 2005 at 10:42 AM / IP Logged

Thanks to your help I was able to get the starter to work. I have the relays all made up for the locks, but I can't track down the WHITE/ green for them. I'm looking in the grey wire blocks under the dash, to the left of the steering cloumn. In other posts people mentioned "junction block two #217" and I'm trying to figure out what that means. The terminals on the grey blocks go up to 36, and the wires in terminal two are not white /dark green.

Help!

Scott

iskidoo

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Joined: December 08, 2002

Location: Maine, United States

Posted: September 14, 2005 at 10:50 AM / IP Logged

Power Lock - WHITE/ green - left plug at bottom of fuse box under cover (1 of 3)

Power Unlock - same wire

Notes: Use relays and set up for negative trigger. Place a 4020 ohm resistor inline on the lock output, and a 665 ohm resistor inline on the unlock output. If you do not have a factory security system use a 1500 ohm for lock and a 250 ohm for unlock.

Detailed wiring info: http://directechs.com/directwire/wire_body.asp?action=select&yr=2754&product=Remote%20Start

Use the top of this diagram:

http://64.85.6.129/extrainfo/diagrams/9732_CARAVAN_CHRYSLER%20MINI%20VAN%2096%20-%2000%20%201%20WIRE%20ALERT%20SHELBY%20UNITS.pdf

Steve G

Scott99

Member - Posts: 7

Joined: July 05, 2002

Location: United States

Posted: September 14, 2005 at 11:30 AM / IP Logged

Got it. Thanks for all the help.

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