I'd like to change that stupid shift light, so it doesnt come on under 2000 rpms anymore. I know it can be done, but I dont know the hex address for it. TunerCat doesnt list it anywhere. I have a map for a Corvette chip, but it doesnt match up with my f-body chip. Does anyone know where it is, which byte address, so I can change it to not come on except over 2200 RPMs, and also change the upper limit so it comes on at 5500 RPMs? Thank you!


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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-

 

I wouldn't mind knowing this info if somebody knows where it's at

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1992 Z28 5.7 TPI

ZZ4 longblock
Harland Sharp roller rockers
Accel base and SLP siamesed runners,
52MM SLP Throttle Body
Hooker Headers & Flowmaster catback
MSD6A ignition
aluminum driveshaft
World Class 5-speed

 

The only addresses I am aware of is in the $8D.hac from GMECM Guy's website. That is for the ANHT Corvette BIN. To my knowledge, the data area is the same.

 

I wonder if auto cars even have a shift light in the dash! Or maybe it's there but w/out a bulb in it. I'm gonna have to check that out.

------------------
1992 Z28 5.7 TPI

ZZ4 longblock
Harland Sharp roller rockers
Accel base and SLP siamesed runners,
52MM SLP Throttle Body
Hooker Headers & Flowmaster catback
MSD6A ignition
aluminum driveshaft
World Class 5-speed

 

I have the hex adresses for the 89 code the ARAP.bin I believe

will these do?

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1986 IROC 350 5spd
just installed a TPI from a 1988 IROC, 24# lt1 injectors,165 ECM MAF, custom sub frame
www.members.home.com/v8power/
GOT TOURQUE ?

 

Wow, this is an old post. I already found it and changed it and forgot about it a long time ago.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
317 RWHP, 418 RWTQ
13.23 @ 107.62 MPH (2.10 60')
Southern California
Member: SoCal 3rd Gen F-Bodies
Member: SoCal F-Bodies
-=ICON Motorsports=-

 

Those will be nice, but some of us (well.... me, anyways) need some further instruction on what to do with it once we have it. .

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1987 GTA L98 MD8
355, TFS Heads, LT4 Hot Cam
My GTA

The Minnesota F-body Club

 

Yeah like me

I looked at both hacs for the $8D and the one on ECMGuy's page has a "shift light code" routine but the other hac doesnt have one at all!

Kevin, would you be so nice as to share some info ? What do you need to change and how ? Thanx in advance.

 

Btt

 

You will need Tuner Cat's TDF editor.

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Chronologically challenged. But still kicking!
'92 CAMARO RS
305 TBI 5/spd (now TPI)
B4C Alt.
Cam change:TRW 198/210 ,450/.460 114 LSA
Stock TBI manifolds
'85 IROC 3" Cat. back Exhaust
14.94-92.00 mph
SDPC base and "350" Vortec coming soon!
'69 camaro-BB/Lenco,1050 dominators, /Pump Gas/no drugs 8.97-150+/3200lbs.
SoCal Thirdgen F-Bodies

 

That's not my biggest worry. I just need to know what constant to add in it and at what address.. etc

 

This is the info I have:

LC290: FCB 128 ; 56C, (132f) COOL THRES FOR L.U.

; OR SHIFT LIGHT

;==============================================

; E LIGHT PARAMS

;

;==============================================

LC2ED: FCB 120 ; 50C, (122F) MIN FOR LIGHT ENABLE

LC2EE: FCB 47 ; 47 MPH MIN FOR LIGHT ENABLE

LC2EF: FCB 0 ; 0 TPS MIN FOR LIGHT ON

LC2F0: FCB 0 ; 0 LV8 MIN FOR LIGHT ON

LC2F1: FCB 56 ; 1400 RPM THRES FOR LIGHT

LC2F2: FCB 208 ; 5200 RPM FORCE LIGHT ON