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remote start a carb car


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tekin 
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Posted: December 27, 2015 at 1:42 AM / IP Logged Link to Post Post Reply Quote tekin
I have a carbureted car and want to add a remote start just for fun, and am using a firstech 7as brain also know as compustar.
Can anyone tell me which wire I can use off the brain as I have used the trunk release for the popper in the trunk.
Also what is a good way to set this carb/remote starter up
kreg357 
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Posted: December 27, 2015 at 6:03 PM / IP Logged Link to Post Post Reply Quote kreg357

Can't help too much, but with a cold engine you need to get a solenoid to act as a one shot throttle plunger to prime and set the choke.  Then perhaps a second solenoid pulse after a 20 seconds or so to kick the fast idle down.  On a warm engine, this set-up might not work all the time ( could flood the engine )...  

With a CM7000-AS, you could use a POC set as GWR to initiate the first solenoid pulse and a PAC TR7 unit, triggered by that GWR to do the second pulse after a set number of seconds. 

Just some random thoughts...  Never tried it myself.

Soldering is fun!
tekin 
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Posted: December 27, 2015 at 10:25 PM / IP Logged Link to Post Post Reply Quote tekin
what is a POC and pac tr7
howie ll 
Pot Metal - Posts: 16,466
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Posted: December 28, 2015 at 2:59 AM / IP Logged Link to Post Post Reply Quote howie ll
POC is an aux output, PAC Tr7 is a timer similar to DEI 528t.
The problem is with the mechanical throttle linkage. If your vehicle starts on the turn of a key in any weather first thing in the morning then you won't need the above. BUT adjusting the two solenoids will take forever.
Professional installers won't touch it.
tekin 
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Posted: December 30, 2015 at 8:39 PM / IP Logged Link to Post Post Reply Quote tekin
hey I understand the manual throttle thing, and was thinking of just running a trunk pop solenoid, but to be honest it starts in 1 crank anyways. I think the output TACH SENSE has to be wired to the NEG side of the coil is that right, cause I was just gonna give it a shot cause it is so easy to wire anyways. If it does not start in 1 shot then which output would I use to send a pulse to the solenoid??
howie ll 
Pot Metal - Posts: 16,466
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Posted: December 31, 2015 at 2:40 AM / IP Logged Link to Post Post Reply Quote howie ll
Yes definitely (-) side of coil also marked 31.
If it starts on first crank, don't bother with the solenoid initially.
tekin 
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Posted: December 31, 2015 at 5:30 PM / IP Logged Link to Post Post Reply Quote tekin
hey what you mean by 31, I have the whole alarm installed and the tach wire from the alarm hanging under the dash, so I was just gonna extend it to the coil NEG side of coil. I don't think I need to put a relay so if I am doing something wrong let me know.
Also the reason I wanted to ask about the solenoid is to tap the correct wire off the alarm harness at the same time
howie ll 
Pot Metal - Posts: 16,466
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Posted: December 31, 2015 at 5:34 PM / IP Logged Link to Post Post Reply Quote howie ll
Nothing wrong, the terminal you want is the side going to the distributor, marked variously as (-), 31 or CB depending on country of origin.
tekin 
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Posted: January 01, 2016 at 10:36 PM / IP Logged Link to Post Post Reply Quote tekin
but which output from the alarm should I use for a solenoid if I do end up using it, as I have a trunk popper already installed
kreg357 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
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Posted: January 01, 2016 at 11:05 PM / IP Logged Link to Post Post Reply Quote kreg357

A couple of ways to go here.  Probably the best is to set it up as a manually controlled function from the CM700As.

Set up an AUX output for 1 or 2 seconds controlled by the remote.  You would trigger the AUX output prior to a remote start.  The 1 or 2 seconds output would extend the solenoid for that time period setting the choke and priming the engine and then it would retract to its rest position. With the choke set, you could then remote start the engine.  Another AUX with a shorter time period and a solenoid with shorter stroke could be used to kick down the fast idle. 

If the engine was warm, you could omit pressing the AUX button and just go for the remote start.

You might need the OP-500 programmer to set up these times in the Special Option Groups.

Soldering is fun!
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