Hello,

I try to figure out which pedal should I buy to fit my LQ4 TB

Any GenIII DBW pedal will be compatible?

I have the Blue and Green Delphi

 

You're generally best matching ecu, tb, tac, and pedal.
Do you have pn from these?

 

Hi Gary..

Harness is from a Silverado 2005

TB is from a Tahoe/Silverado 2005 (gm pn 1257080)

 

You'll need a TAC and pedal from an 03-05 truck. You can find part numbers over at Rock Auto. You can shorten the pedal to fit in the vette.
EFI connection can make the pedal to TAC harness.

 

Gary

pedal is: ACDELCO 15264643 GM Original Equipment

 

I shortened and straitened the truck pedal in my 68 vette. Works great.

 

With TAC:

STANDARD MOTOR PRODUCTS G92004 TechSmart

[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] w/ Fixed Pedals; Sensor Only; Repair Kit

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€33.56
STANDARD MOTOR PRODUCTS APS106 {#15120405, 15264643}
One of our most popular parts
[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] w/ Fixed Pedals; Complete Assembly

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€60.76
A-1 CARDONE 673000P {#15264643, 89059124} Reman. Accelerator Pedal Sensor

[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] w/Fixed Pedals

€67.51
AIRTEX / WELLS 5S11471 {Click Info Link for Alternate/OEM Part Numbers}

[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] without Power Adjustable Pedals

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€81.39
STANDARD MOTOR PRODUCTS APS131 {#89059124}

[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] w/ Adjustable Pedals

 

The TAC you'll need (2 metal mounting ears).
ACDELCO 12588923