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[TSTONE]

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Throttle Actuator Control (TAC) Module




Connector Part Information

• OEM: 15355297
• Service: 88988106
• Description: 6-Way F GT 150 Series Sealed (BK)

Terminal Part Information

• Terminal/Tray: 12191819/8
• Core/Insulation Crimp: E/A
• Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Throttle Actuator Control (TAC) Module

Pin
Wire Color
Circuit No.
Function
A
BN
582
Throttle Actuator Motor Control (2)
B
YE
581
Throttle Actuator Motor Control (1)
C
TN
2752
Low Reference
D
D-GN
485
Throttle Position Sensor (1) Signal
E
GY
2701
5-Volt Reference
F
PU
486
Throttle Position Sensor (2) Signal

© 2009 General Motors Corporation. All rights reserved.

[MP81]

Yes, I believe so.

Thanks, Todd!

Well, looks like the idler bolt hole is crossthreaded, some how. So I just went and bought an M10x1.5 tap, but I have to use crazy extensions and tap in the wheel well...hopefully I don't **** it up.

I hope it doesn't rain tomorrow - if not, is there anyone that can come over and help me out during the day?

[Lucky SOB]

Sorry kyle, I have work all day, class in the evening.

Just some advice. Get a "starting" tap. The end is tapered and it will give you a straighter hole. A "bottoming" tap is easier to get going on the wrong angle and f stuff up.

[MP81]

Yeah - the end is slightly tapered on this one...

Looks kinda like this...

[Lucky SOB]

that should be fine. They make some that go to a point and taper even less dramatically. that would be the safest, but idk what kind of clearance you have. You'll be fine. Just take your time when you start it and look at it from a bunch of different angles to make sure it looks perpendicular.

[MP81]

Yeah, definitely - I think I might put the idler on, and tap through that hole to try and get the straightest tap...

[Darren]

Kyle I'm working till 1pm tomorrow and then have to be back at work at 5:00pm if it's not raining and you want another set of hands just let me know man I'll come over

[MP81]

For sure.

I hope it doesn't rain - so much that I can do - but if it does, I can at least solder up my injector harness (my dad's home, so he can help me with that), and tidy up. I have a few more things to solder outside (6-pin throttle body connector has to change to 8-pin), and I have to get a good connection and wire routing for the heat exchanger pump. Hopefully my dad's in a good mood when I go to do that - he's very handy in that department...

Here's my progress after lunch - it doesn't seem like I got as much done today as yesterday, but dissassembly is usually very fast...that idler pulley must've taken 3 or 4 hours... The hole, at some point, got cross threaded, and I ****ed with it until I finally realized it, and then went and got a M10x1.5 tap (same size as the bolt) - ran it through the hole a couple times, and the bolt went right in! I wish I would've done that in the first place...

Pictures...

Stock Belt and Tensioner out of the car:


Alternator pulled off (this is how I got the stock belt off - you have to use a special tool to do it otherwise):


Intake Manifold to Manifold Brace bolt:


This is GM's *********** idler (tensioner for 2.2) pulley access hole. It doesn't even line up completely with the damn bolt!!! God damn you GM. Seriously - oh yeah, it isn't even closed off. It ate the LSJ idler bolt - luckily the stock 2.2 idler bolt seemed to work fine...


After that experience (losing the bolt - and the magnet from the stick magnet that broke trying to get the bolt - hopefully it grabs the bolt and it doesn't roll around...) I taped up the bottom and shoved paper towels on either side...


There's the hole


Bolt finally installed - notice how it almost lines up - the bottom catches though...


Wider shot - easy crank pulley access!


View from the top - finally...


My best friend came over, and he is a magic man - he got the intake manifold endplate to heat exchanger pump on! I don't know how he did it with that lack of clearance, but he did. He is totally going to be here when I do heat exchanger routing!!!!


Engine in it's current state


That stupid broken blower nipple. I must of hit it today trying to tighten the intake manifold bolts more (spec is 18 lb ft - they round off at 15 lb ft ) - so I put shrink wrap around the cracked area, shrunk it - then JB welded it...then I find out they make new ones. Maybe some other time...


Ground the engine hoist bracket mounting area, cause it hits the tensioner


Done for the night - time to clean up


Good night, again, buddy. Covered up hopefully well enough in case it rains...

[Darren]

looking good kyle really hoping it doesnt rain tomorrow so more work can be done and maybe we can see it on the road Friday!

[MP81]

Me too man.

I swear - I'm going crazy from the heat. I keep thinking today is tomorrow.

Like yesterday, I kept thinking it was Wednesday, and today I thought it was Friday, or at least Thursday at some points...

[bigjon88]

looking goo kyle! i wish i could come andhelp but i dont know what time i get out of work tomorrow

[GMCYA]

keep it up man, looking good, gonna have yourself a nice little sleeper here.

[steddy]

Just a few more tweeks and twists and she'll be ready. Just keep working toward it, it'll be worth it. Can't wait to see it!

[98blackbeauty]

Looks good Kyle, hope you don't get rained out. I think forcast is for late thursday.

[Darren]

better get started early sounds like it will pour around 3pm...