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2004 freestar problem, Pro-start CT3400


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saskpuller 
Copper - Posts: 144
Copper spacespace
Joined: November 14, 2006
Location: Canada
Posted: February 03, 2007 at 9:43 PM / IP Logged  
Installing a Pro-start CT3400 and pkf3 into 04 freestar. Everything went as expected until go time. THe unit started fine, ran for roughly 20 seconds, shut down and re-started. Did this 3 times and then the RS shut down. It's not a security bypass thing because it does same thing with the key in the ignition. Am I missing something with the parklight circuit? Am I missing something with the arm/disarm? I totally baffled.
Twelvoltz 
Platinum - Posts: 2,384
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: March 24, 2005
Location: New Jersey, United States
Posted: February 03, 2007 at 9:48 PM / IP Logged  
Did you use tachometer monitoring or voltage sensing? This sounds like your system does not know the car is running.
saskpuller 
Copper - Posts: 144
Copper spacespace
Joined: November 14, 2006
Location: Canada
Posted: February 03, 2007 at 9:59 PM / IP Logged  
Used a tach monitor. The RS realizes that the car is running or it wouldn't drop the starter out. I'm wondering if the module is NFG. Wouldn't be the first time a Pro Start module was bad.
NowYaKnow 
Gold - Posts: 1,216
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Joined: December 18, 2002
Posted: February 04, 2007 at 10:02 AM / IP Logged  
Try it tachless and see if it's any different? What did you try in troubleshooting?
Mike
dre187 
Copper - Posts: 129
Copper spacespace
Joined: November 24, 2006
Location: Canada
Posted: February 04, 2007 at 10:16 AM / IP Logged  
prostart doesn't have a tachless option unfortunatly. where'd you get the tach signal from?
xghost 
Member - Posts: 34
Member spacespace
Joined: February 04, 2007
Location: Canada
Posted: February 04, 2007 at 2:11 PM / IP Logged  

Prostart just came out with there new modules. The ones with rs232 port. Little late if you ask me but the only thing i can tell you is that some of the older prostart modules have a "Tach Threshold" dip switch. You HAVE TO change it to HIGH instead of normal. If you dont then the car will die. I did one on a cav, same thing happening except mine died right away. Try to get your tach off an ignition module or coil not a fuel inj.

Hope this helps.

saskpuller 
Copper - Posts: 144
Copper spacespace
Joined: November 14, 2006
Location: Canada
Posted: February 04, 2007 at 11:25 PM / IP Logged  
I switched out the module today and nothing changed. I have taken the tach signal from the cam sensor. I see a problem that when the vehicle starts tach is at +/- 1100 and then after 15 sec it drops to around 780. That is when the car shuts off. I tried setting the tach at the 780 point. It took but still died at that point. I'm beginning to think it maybe a arm/disarm problem or something that I'm missing. This is the first Freestar that I've done. I tried changing the tach threshold to high with no change. It's only my sister's vehicle so not that big a deal but I'd rather not be wasting "free" time on it.
NowYaKnow 
Gold - Posts: 1,216
Gold spacespace
Joined: December 18, 2002
Posted: February 04, 2007 at 11:29 PM / IP Logged  
If it dies at that point the signal may be too low for the unit your using. Try going off an injector rather than the cam sensor and see what happens.
Mike

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