02, 03 explorer tach wire

does anybody have any clue what color or where i can find the tach wire in an 02 or 03 ford explorer? i put a valet remote starter in both and they both shut off after 2 minutes. diagnostics say it over revd. im assuming its a problem with the tach wire. please help im going crazy. you can also email me at seniorswankey@aol.com

i think the wire i tried was blue/green. it was in a bundle of four or five coming out of the coil pack. the coil pack is the bundle of 6 spark plugs right in front of the motor right? maybe i can set it to signal sensing? not too sure how to do that though. hope someone can help. id really appreciate it.

The wire at the coil pack should be pink/white or tan/white for either 02 or 03. Good luck,

Mike

I stopped installing DEI remote starts 2 years ago, and now only do them occasionally. From what I have read at the forums at directechs.com a lot of people are having problems with them shutting off after a minute or two. Its been occuring with the redesigned units and new Fords.   Most people's solution is to use an injector wire for tach.

thanks alot. thats what i figured. any idea where i could find an injector wire, or if i need to do any additional programing?

02 and 03 explorer with the v6 the tach wire is blue green, there are 2 harnesses running along the firewall. in the top on is the blue green. tech serv. says that is is different from the blue green off the coil pack, they say it is a full six cylander signal. i have done over one hundred with no problems until 04 exploer came out, that harness is no longer there

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ill give it a try i guess. dont see how it could be different. you sure i dont need to get an injector wire?

i do not like injectors... if the tach wire gets grounded it will lock the injector wide open and flood the block and cause hydra lock and blow the engine i have seen it twice. like i sid in my previous post tech service said it is a different wire. on the 04 explorer (that harness i spoke of is not there) and i tried that wire at the coil pack and it failed after a minute or so

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i appreciate the help. ill give it a shot first thing tommorrow. i just dont get it though.. the direct wire i got from dei said to get any wire (other than blue/white) from the coil pack. another web site i found said blue/green at coil pack.. both didnt work out at all. ill take your word for it. thanks alot.

Did you check for a pink/white @ the coil pack like I suggested? If there is no pink/white then you want the tan/white @ the coil pack. One of those two should be there I always use the pink/white.

Mike

i tried the pink/white. it was the same thing.. shut off in 2 minutes. how come one guy swears by pink/white and another insists on blue/green when i know for a fact they are both wrong? i am so confused.

"how come one guy swears by pink/white and another insists on blue/green when i know for a fact they are both wrong?"

They are not "wrong". The pink/white is your tach wire. If you unit is junk that is another story..You can try an injector wire to see if that will work. It will be the uncommon wire at any injector meaning each one has 2 wires one wire will be common color on all of them and the other wire color will be different, you want the one that isn't common. Also does that unit support no tach mode? Might want to try that if it does I'm not familiar with the unit your using. Good luck,

Mike

yesh, it does voltage sensing or whatever. how does it work, i just set it for voltage sensing? do i have to program in cranking time? and where would i find an injector wire? sorry, but im confused and this is very fruzsturating. ive done like 500 remote starters and never had this problem before

Usuaully that's all you have to do there's no voltage learning method or anything just set it and go but like I said I'm not familiar with your unit. Some units do have cranking times etc to program so be sure to read through and check it. Another trick is to learn the tach at a higher level. When you go into tach learning mode, hold the gas and get the RPMs up a little higher and let it learn tach higher up. Takes a while to get your foot steady enough where you want it to learn the tach but give it a shot..You can also try learning tach by putting the car in drive the rpms will drop down. Usually by either learning at a higher or lower RPM you can get one to work but that usually is a last option thing for me. You would find an injector wire at the injectors on the engine. On each side of the engine will be a couple 2 pin plugs in a row running parallel to each other spaced a few inches apart..Those would be your injectors as mentioned you would want the wire that is NOT common among the injectors. Definately make sure it is the injectors you are finding though you'd be surprised what can happen when you tap a wrong wire some wires are VERY sensitive. Good luck,

Mike

thanks alot. i appreciate that. im going to get to the bottom of all this right now. there is a programing section of the manual for "cranking time" which makes me kind of nervous. not something id feel comfortable doing. i heard that voltage sensing only works on japanese cars and some vw. if its my last resort ill try it. thanks alot.