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Old 05-20-2016, 05:59 PM   #1
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Unhappy diypnp PLEASE HELP 1991 1.6

I've searched all over and I am at a brick wall. I'm sure this is posted somewhere, but I am having an awful time trying to figure out what jumpers, wires that I need to run and WTH pull-ups are (and if i need them). I Have these resistors leftover that I haven't soldered in.
Im running an IAT and MAP.

I just have no idea what to do next... some guidance would me excellent and much appreciated.

Please take a look...
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Old 05-20-2016, 06:30 PM   #2
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Not sure you're supposed to tap into wled or aled that way, look above the 12V connection, to the left of the big "boot"

You are supposed to install a diode and two resistors across the pullups in the lower right corner, the diyautotune page tells you what and where.

Opto+ gets 470 ohms across to 12V, VR2 470 ohms to 5V, and IAC gets a diode with the banded end across to 12v



See, in the corner?
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Old 05-20-2016, 08:21 PM   #3
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Ohhhhhh I understand the jumpers now, but what about the wires I have run?
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Old 05-20-2016, 08:24 PM   #4
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Am I suppose to solder those R resistors that I haven't used yet? There was some confusion about it.. Is your setup a 9093? If you can post a clearer picture I'd love to mimic it!
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Old 05-20-2016, 09:38 PM   #5
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are you using the build guide on diyautotune.com?
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Old 05-21-2016, 01:07 AM   #6
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Quote:
Originally Posted by nickafuller View Post
Am I suppose to solder those R resistors that I haven't used yet? There was some confusion about it.. Is your setup a 9093? If you can post a clearer picture I'd love to mimic it!
My ECU is under carpet and the floor plate and a bunch of bolts. Sorry, but I'm not gonna take it out to get pictures.

Use this guide and the diyautotune page I provided earlier as a reference as to what goes where. It's more than enough to put it together properly.
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