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Chaotic94

Proven Member
177
3
Oct 5, 2013
West Plains, Missouri

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I also think Boost Control Solenoid and the 2nd.....cruise control???
 
Boost control solenoid.. what exactly is that?... if it had to do with my stock maf, it got deleted... hopefully it wasn't important LOL
 
The ECU controlled boost solenoid. It regulates boost on a factory setup. It is located close to the maf. I think mine was mounted to the stock maf can on my 1G '90 Talon, GSX and Laser if I'm not mistaken. :)
 
First is BCS, second is O2 sensor.

The BCS was used as your stock boost controller. It gets replaced with a mechanical/electrical boost controller as the first "mod" on most cars. The car will run fine without it, just be sure when you turn the boost up, you have a real boost gauge instead of going off the factory gauge in the dash.
 
I'm assuming that the coolant level connector connects to a sensor on the radiator somewhere? I haven't had a chance to go out to the car to investigate LOL
 
So I went out and unplugged the coolant level sensor from the overflow tank. Now my dsm is magical and has two connectors unplugged that look identical...
 
The one you have pictured above is for the coolant level switch. This is evident because of the black wire it has at pin 1 (top pin of the connector). It is also obvious because the connector for the fan motor is right next to it.

The BCS connector looks the exact same but it will have an orange and a red wire. But it is on the engine control harness and it would branch off the harness at the same point the MAF connector would branch off.
 
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