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Which of the 3 wires for AC Pressure Sens.

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Old 05-28-2013, 11:56 AM
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Red/black is the one, different colours based on years and even engine type.

As for the switch, that sounds right.
Old 05-28-2013, 12:14 PM
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Awesome Man! Thank You So Very Much! I will let you know the update.
Old 05-28-2013, 03:31 PM
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Ok, It's Working! But the thing is the switch won't turn off for Wideband. It's like both r turn on at the same time.
Old 05-28-2013, 03:42 PM
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I have to plug off the fuse to turn off Wideband.
Old 05-28-2013, 04:58 PM
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Is there another way that I don't have to pop the hood just to plug on n off fuse ?
Old 05-28-2013, 06:55 PM
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You need to connect the 12v power to a 'key on' fuse slot, both fuse boxes have a spare, empty key on you can tap into and are easy enough to find if you have a multimeter.
Old 05-28-2013, 07:09 PM
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FWAK! I know what You are talking about. Can I go wire up where the Wiper Fuse ? The thing is I don't see rocker switch light up when I turn it on.
Old 05-28-2013, 07:19 PM
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I used the spare one in the passenger side compartment under the dash along the side of the trans tunnel where the shifter sits. If the wipers are key on then those would work just fine.
Old 05-28-2013, 07:30 PM
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Hey! I saw Advance Auto has an extension for fuse with wire. Maybe I should hook that up to wiper fuse cause that's where it turn on and off. LOL!

Last edited by YelCal7; 05-28-2013 at 08:26 PM.
Old 05-28-2013, 07:52 PM
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This 1 I am talking about, here's link->Mobile: Buy Bussmann ATM Fuse Tap - 10 Amps BP/HHH-RP at Advance Auto Parts
Old 05-28-2013, 09:06 PM
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That is sexier than my setup, might even look for a couple of those myself!
Old 05-28-2013, 09:08 PM
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LOL! I found those at Advance Auto, I am gonna do this!
Old 05-29-2013, 01:42 PM
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Ok, I did fuse tap. It works GREAT! As for rocker switch that's what I am confused, it don't light up when I switch it on. Does that means I have to do tune to split the voltage between A/C pressure sensor and Wideband ? Right ?
Old 05-29-2013, 09:29 PM
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It needs to be a 2 channel rocker switch, either the PCM is seeing 0-5v from the AC sensor or the WB sensor. There is no splitting voltage. Never used a switch that lit up so can't help you there.
Old 05-30-2013, 12:50 AM
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That's what I have 2 channel rocker switch with 3 outputs. Just don't understand why it won't turn on. Send me link of what You are talking about.
Old 05-30-2013, 12:56 AM
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That's what I have. Link->http://www.ebay.com/itm/Round-rocker-switch-lighted-on-off-red-12v-USA-SELLER-/200813506069?pt=LH_DefaultDomain_0&hash=item2ec16aee15&vxp=mtr
Old 05-30-2013, 12:58 AM
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This is what you need:


Old 05-30-2013, 01:01 AM
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That third terminal on the switch you have is a ground, basically you have an on-off switch and you need a 2 way instead. No ground on the 2 way, middle terminal is the destination and the terminals on each side are the channels.

So, switch to 1 means the PCM reads AC sensor, switch to 2 means PCM reads WB.
Old 05-30-2013, 01:03 AM
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Does it have round 1 ? Where I can get those ?
Old 05-30-2013, 01:15 AM
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Found it in Ebay the round 1. Link->http://www.ebay.com/itm/2x-3-Position-Round-Boat-Rocker-Switch-AC-6A-250V-10A-125V-3-Pin-SPDT-ON-OFF-ON-/321026999633?pt=LH_DefaultDomain_0&hash=item4abeb34551
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