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2001 Caravan remote starter problem


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fwperry 
Member - Posts: 31
Member spacespace
Joined: December 15, 2004
Location: Canada
Posted: December 16, 2004 at 3:32 PM / IP Logged  

What do these resistors have to be in regards to wattage, voltage?   Are they a 12V automotive part rather than the normal electronics resistor?

stang351w 
Silver - Posts: 350
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Joined: August 20, 2003
Location: Canada
Posted: December 17, 2004 at 7:56 PM / IP Logged  

hello, i think i'm gonna jump into this conv myself, since i'm the one who installed it 2001 Caravan remote starter problem - Page 2 -- posted image.  i've read over all the replys so far, the tach wire i had on the blue/green wire at the coil and the command start unit self tach's. once he came back i changed the tach source to the blue/orange (if my memory serves me right) and still the same, i have the "cold start" wire running from the "ground out when running" wire going through a pair of resistors that equal high 180 ohm when i use my multimeter on them. only thing i can't remember right off is the colour wire i had them going to, i'm assuming since i got the print out from installer companion 3 program that it would be violet/purple like was mentioned in one of the other replys. the only reason i never used an injector for the tach source was because of the resivoir (beleive power sterring not sure) was blocking my path to the injector wire and i don't think the customer would like me ripping apart half his motor 2001 Caravan remote starter problem - Page 2 -- posted image.  but other then that all the wires and conections are solid. the only thing i can think of is maybe where i've got two resistors in series to get close to the 180 ohm mark might have something to do with it..i can't see it...but i'm running out of ideas. 

i even put it in "smart start" where it sense's the engines voltage and that still didn't change anything, after that is when i change'd out the unit itself.

auex 
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Posted: December 17, 2004 at 8:14 PM / IP Logged  
stang351w wrote:
i have the "cold start" wire running from the "ground out when running" wire going through a pair of resistors that equal high 180 ohm
What or why do you have that hooked up that way? It needs to pulse a - singal through a 180 ohm resistor only when starting. You need to take the starter output and use it to trigger two relays, one supplying power to the starter and one supply the - through a 180 ohm resistor to the second starter wire.
If that is what you meant then disregard.
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fwperry 
Member - Posts: 31
Member spacespace
Joined: December 15, 2004
Location: Canada
Posted: December 17, 2004 at 8:20 PM / IP Logged  

The wonder of the Internet, where you end up talking to the fellow on the other end! 2001 Caravan remote starter problem - Page 2 -- posted image.

I dropped off at your shop some things I printed off on the Net... I'm just a novice as to car wiring, and I can see that multiplex stuff now will keep me out of fiddling for good... but we both have a stake in things, being it's my car and I would really like to have my wife be able to start it on the cold winter mornings (particularly since on the worse days she usually has to go to work while I stay home (teacher and school is cancelled)--- she's a little more understanding if she can start the car from inside!).... and I'm sure you think of it as a challenge you'd like to defeat.

I was wondering, looking at some of the wiring charts... (forgive me if it's a stupid question) -- did you hook the second starter output from the start control direct through the resistor to the cold start wire?  The sketches show the 2nd starter just controlling a relay that grounds the cold start wire though the 180 ohm resistor.. separate circuit just closed by the 2nd start output.

fwperry 
Member - Posts: 31
Member spacespace
Joined: December 15, 2004
Location: Canada
Posted: December 17, 2004 at 8:24 PM / IP Logged  

That auex post came while I was typing mine... same idea... but I don't think he needs the two relays triggered by the starter output of the unit (though it could be done that way) because there is a second starter output on this particular remote start unit... one can trigger the starter and one (2nd starter) trigger the cold start relay.

??????

wiretapper 
Copper - Posts: 166
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Joined: December 11, 2003
Location: United States
Posted: December 17, 2004 at 9:36 PM / IP Logged  

If there IS in fact a second starter output wire, why was it wired to the "grnd when running wire"??

auex is spot on this one. 

It needs a signal ONLY when the remote starter goes to crank.  It does NOT matter if they both crank the starter when it's already warm, but it cannot see a constant signal! It won't trigger the cold start function in the ecu.

Something is definitely not wired correctly. I've done a few of these with no problems too. And all I did was take a signal off the starter output wire to trigger the second relay. Never a comeback, just a couple more happy soccer moms. 2001 Caravan remote starter problem - Page 2 -- posted image.

fwperry 
Member - Posts: 31
Member spacespace
Joined: December 15, 2004
Location: Canada
Posted: December 18, 2004 at 5:15 AM / IP Logged  

This from another thread on the topic....  does this sound correct, guys?  (Though the diode route sounds too complicated when the relays will do the job)

--------------------------------------------------

There are basically three ways to take care of this.
1. What remote starter are you installing? Does it happen to have its own second starter output, be it negative or positive? If so, use this to drive your relay.
2. You need two relays.
-Tie the output of the remote starter to the 86 terminals of TWO relays. -85 on both relays goes to ground.
-87 on Relay #1 goes to constant positive; 87 on Relay #2 goes to constant ground.
-30 from Relay #1 goes to the van's yellow + starter wire.
-30 from Relay #2 goes through the 180-ohm resistor, and then to the van's PURPLE / brown - starter wire.
3. Use diodes instead. Most of the time, diodes are only used for low-current applications, and relays are used for high-current jobs.
But, did you notice how tiny the ignition wires on that van are? And the blue/red constant wire at the ignition switch is only rated for 10 amps.....so therefore, the yellow starter wire can't possibly draw much current at all!
In my opinion, you can get away with using large-size diodes, eliminating the need for one of the relays. Plus, since it's only a starter wire, it just runs for one second at a time---it doesn't stay on long enough to put much stress on the diodes.
-Take the starter output of your remote starter, and attach two diodes to it. One of the diodes will go to the van's yellow starter wire, and the other diode will go to terminal 86 of the one relay that you have already correctly set up.
-If you wire the diodes backward by mistake, you won't break anything---it simply won't work at all. Instead of worrying all day about which way to face the diode, just make a temporary connection at first---if it works, you put them the right way.
-Diodes come in different amp ratings, and the bigger ones cost slightly more, but diodes are dirt cheap anyway. I'd recommend a 6-amp diode going out to the yellow starter wire, just to be on the safe side---or if you only have small ones on hand, put two or three of them in parallel. For the diode that goes to activate your relay, use any size you'd like.

fwperry 
Member - Posts: 31
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Joined: December 15, 2004
Location: Canada
Posted: December 18, 2004 at 5:22 AM / IP Logged  

And my crude drawing of the way I see a relay connecting the cold start wire thru the resistor to ground, tapping into the starter#1 wire for activation of the relay while it's also triggering the starter....   (no terminals on relay, since I don't know them..... presume they are like my post above.   This approach is not using the Starter#2 output from the remote start module... why use it if you already have the output from Starter #1 (positive) available?

Remember that I really don't know what I'm talking about here... two days of experience talking.  Confirm, please.

2001 Caravan remote starter problem - Page 2 -- posted image.

fwperry 
Member - Posts: 31
Member spacespace
Joined: December 15, 2004
Location: Canada
Posted: December 18, 2004 at 5:25 AM / IP Logged  

Whooah!   Should have previewed that obviously... looked OK as I posted it.  Please delete, moderator.  I'll repeat text here and just link to image...'

And my crude drawing of the way I see a relay connecting the cold start wire thru the resistor to ground, tapping into the starter#1 wire for activation of the relay while it's also triggering the starter....   (no terminals on relay, since I don't know them..... presume they are like my post above.   This approach is not using the Starter#2 output from the remote start module... why use it if you already have the output from Starter #1 (positive) available?

Remember that I really don't know what I'm talking about here... two days of experience talking.  Confirm, please.

http://fwperry.net/coldstart.gif

stang351w 
Silver - Posts: 350
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Joined: August 20, 2003
Location: Canada
Posted: December 18, 2004 at 12:52 PM / IP Logged  
hello again, the reason i used the ground out when running wire on this starter is because the other installer that has 5 years more exp then i do told me that is how he's done it in the past and has worked for him everytime so far,
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