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Old 07-03-2016, 07:17 AM   #1
Egez
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Default Wideband installation help required

Hey

So I got myself SLC Free Wideband controller, and the controllers installation manual tells me to use power source for the controller from such spot which only supplies power to unit when car engine is running. My question is where I can find such 12V source?

Thanks in advance.
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Old 07-03-2016, 07:39 AM   #2
VB242
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On my 240 the fuse panel has extra spots for 1/4" spade connectors. Use one that turns off with the key. Use test light or meter to figure out which one to use.
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Old 07-03-2016, 01:10 PM   #3
turbotankshane
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I powered the SLC free in my wife's '85 245 off the 25A blower motor fuse, using a spade connector to connect to one of the terminals that VB242 mentioned.

What car is this going in, OP?
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Old 07-03-2016, 01:46 PM   #4
Egez
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1992 245 with b230f+t

Manual states this:
"Do not install the Lambda Sensor in such a manner that the unit is powered before your engine is running. An engine start can
move condensation in your exhaust system to the sensor, if the sensor is already heated this can cause thermal shock and cause
the ceramic internals inside the sensor to crack and deform. "

I was just wondering if there is pin to get current from which doesnt get power until engine is running?

Thanks for replies so far.
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Old 07-03-2016, 02:05 PM   #5
hiperfauto
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Wire it to the AC delay relay. It won't power up until 10 seconds after the alternator starts charging.
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Old 07-03-2016, 02:10 PM   #6
Egez
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For that I would need to install AC to my car, its waiting on the shelf

But that gave me idea, I can take power with relay from alternator signal if there is no pin to supply it.

Thanks
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Old 07-03-2016, 02:19 PM   #7
turbotankshane
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Do you regularly sit with ignition on and engine off? It takes a bit to warm up, I promise you're not gonna hurt the sensor
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