tach wire
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=123978
Printed Date: May 05, 2024 at 1:41 AM
Topic: tach wire
Posted By: sean11901
Subject: tach wire
Date Posted: October 17, 2010 at 4:31 PM
what does it mean when the tech sheet says-
Tachometer: NOT WHITE/ blue (2.3L, 3.0L), NOT PURPLE / grn (3.5L)
how do you find the fuel injector? so i have to run the wire through the firewall to a fuel injector?
thanks!
Replies:
Posted By: kreg357
Date Posted: October 17, 2010 at 4:48 PM
Fuel Injectors have two wires connected to them. One is a common color found on all that cars' fuel injectors. The other wire will be a unique color for each fuel injector. That non-common color wire is the one that can supply the remote starter a Tach signal. That shouild be verified with a Digital Multi Meter.
If your car had the 3.0L engine, there should be 6 injectors. Each with 2 wires. All six injectors would have a WHITE/ blue wire but the Tach signal would be the other (non-common ) wire. Fuel Injectors are located in the cylinder head(s) of the engine. Besides the connector with the 2 wires, there should be a fuel rail running by that supplies gas to the injectors. Every car is different....
Most cars have a gromet or two in the firewall where there are wires already going thru. Locate a convenient one and pass the Tach wire thru it. You might have to run the hood pin switch wire thru this gromet also...
------------- Soldering is fun!
Posted By: sean11901
Date Posted: October 17, 2010 at 4:54 PM
thanks a bunch!
Posted By: howie ll
Date Posted: October 17, 2010 at 5:34 PM
What vehicle? You can also possibly pick up tach at the rear of the instrument panel or engine management ECU.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: sean11901
Date Posted: October 17, 2010 at 6:08 PM
09 honda crv
Posted By: sean11901
Date Posted: October 17, 2010 at 6:11 PM
sean11901 wrote:
09 honda crv
could anyone give me te link for the tech sheet on this vehicle?
Posted By: howie ll
Date Posted: October 17, 2010 at 6:14 PM
First the CRV is particularly easy to get through the bulkhead grommets, one behind the battery, one coming from the engine bay fusebox, also there might be a blue wire with a plug marked test lead attached to one of the looms at either front suspension mount.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: October 18, 2010 at 6:06 AM
Also why the problem with getting into and out of engine bay? Depending on whether this is just a remote start or an alarm with R/S you will also need to run siren and hood pin switch wires through.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: kreg357
Date Posted: October 18, 2010 at 6:41 AM
Here is alink to Bulldog Security for the wire list : https://www.bulldogsecurity.com/bdnew/vehiclewiringdiagrams.asp
Here is a link to AudioVox for their version : https://techservices.audiovox.com/Login.aspx Sign up is free.
Here is a picture of a 2007 CR-V. The grommet is high on the firewall and slightly to the drivers side of center ( US car ).
------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 18, 2010 at 6:47 AM
OK so that now makes three that we know of!
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: sean11901
Date Posted: October 19, 2010 at 7:47 PM
thank you everyone!! i have one more question if i am installing an avital 4113, do i have to connect the factory rearm? it is confusing because the factory rearm activates when the doors are locked but this is a one button remote start. should i hook a relay up to this wire to trigger the vehicles door locks when the remote start is shut off? i find that confusing lol...
Posted By: kreg357
Date Posted: October 19, 2010 at 8:11 PM
Does your CR-V have the factory alarm? Usually the LX doesn't and the EX does. If it does have the factory alarm, does a remote start while locked/alarmed cause the alarm to go off? If yes, then you can connect the 4113s' DisArm wire to turn off the factory alarm before remote start. Also you would connect the 4113s' Arm wire to turn the alarm back on after the remote start timed out ( ran for 15 minutes without a key take over ) or was cancelled.
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Soldering is fun!
Posted By: sean11901
Date Posted: October 19, 2010 at 8:17 PM
yeh but i was asking if i have to wire the remote starts rearm wire to the vehicles door lock wire since that is what arms the alarm?
also do i even have to hook up the (-) lock output from the module to the car with the one button 4113 system
Posted By: kreg357
Date Posted: October 19, 2010 at 8:36 PM
Not sure if I understand. Going by the below info, the Door Lock wires listed are
different from the Alarm Arm and DisArm wires.
This is from AudioVox
Alarm Disarm BROWN (-) IN HARNESS IN DRIVER KICKPANEL TO DOOR
Alarm Arm PINK (-) UNDER DASH FUSEBOX
Power Unlock GRAY (-) UNDER DASH FUSEBOX
PowerLock BLUE (-) UNDER DASH FUSEBOX
This is from Bulldog Security
FACTORY ALARM DISARM BROWN (-) in DRIVERS KICK PANEL, Door Harness
POWER LOCK BLUE (-) TYPE B in DRIVERS KICK PANEL, Door Harness
POWER UNLOCK GRAY (-) TYPE B in DRIVERS KICK PANEL, Door Harness
There appear to be seperate wires for each function with your CR-V. ------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 19, 2010 at 9:05 PM
Perhaps you will understand why we say these units are really for pro installation only.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: sean11901
Date Posted: October 19, 2010 at 9:18 PM
howie ll wrote:
Perhaps you will understand why we say these units are really for pro installation only.
you have to be a probi to become a pro.
ok lets make my questions clear here and hopefully i can get some help..
on the avital 4113 single button remote start:
1. do you have to connect the lock wire for the single button system?
2. forget the CRV... if a cars factory alarm rearm wire (lets say 08 ford fusion) is the lock wire when the door is open how do you go forward with connectiong it?
Thank you!
Posted By: howie ll
Date Posted: October 19, 2010 at 9:47 PM
No just connect the disarm wire to the brown and the unlock if required to the gray (or grey as I would write it).
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: sean11901
Date Posted: October 19, 2010 at 10:01 PM
ok thanks, so no rearm for this 4113 system or just because the way the cars rearm is setup?
Posted By: sean11901
Date Posted: October 21, 2010 at 10:33 AM
is there a tach wire located under the dash in a car like an 08 ford fusion? Instead of running a single wirfe to a fuel injector under the hood.
Posted By: howie ll
Date Posted: October 21, 2010 at 11:01 AM
POSSIBLY (?) at the engine management.
Unlikely at the gauges, it's most likely data there.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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