LS2/GTO E40 PCM/harness help please
#1
LS2/GTO E40 PCM/harness help please
I have a few straggler wires that I am not sure are needed or what exactly they do. Input on any or all appreciated. Thanks in advance...
C1-PIN#52-circuit #5-Crank Voltage. Where should it go and is it needed for stand alone operation?
C1-PIN#13-circuit#447-starter relay output/Coil. What is its purpose? I have a Current Performance relay center and am getting power to the coils without this hooked up. Is it needed for standalone and if so where should it be hooked into?
C1-PIN#18-circuit#1843-Accessory Voltage. Needed for standalone, if so, where should it be connected?
C1-PIN#32-circuit#20-stop lamp switch. How could this be connected to a toggle or momentary switch properly, without damaging the pcm, so that I can use the Case Learn function in HP Tuners?
C1-PIN#26-circuit#380-A/C refrigerant pressure signal.
C1-PIN#30-circuit#2700-A/C 5 volt reference Pressure Sensor Signal.
I am using a Vintage Air A/C setup that is a standalone. I would like to use these to tell the PCM when the A/C is on so that the A/C parameters in the tune can be recognized. Not sure how to integrate these wires for the proper signal.
C1-PIN#52-circuit #5-Crank Voltage. Where should it go and is it needed for stand alone operation?
C1-PIN#13-circuit#447-starter relay output/Coil. What is its purpose? I have a Current Performance relay center and am getting power to the coils without this hooked up. Is it needed for standalone and if so where should it be hooked into?
C1-PIN#18-circuit#1843-Accessory Voltage. Needed for standalone, if so, where should it be connected?
C1-PIN#32-circuit#20-stop lamp switch. How could this be connected to a toggle or momentary switch properly, without damaging the pcm, so that I can use the Case Learn function in HP Tuners?
C1-PIN#26-circuit#380-A/C refrigerant pressure signal.
C1-PIN#30-circuit#2700-A/C 5 volt reference Pressure Sensor Signal.
I am using a Vintage Air A/C setup that is a standalone. I would like to use these to tell the PCM when the A/C is on so that the A/C parameters in the tune can be recognized. Not sure how to integrate these wires for the proper signal.
#2
TECH Fanatic
I am building a similar wiring harness as well. You can ignore the A/C circuits.
#20 I believe is for the cruise control.
#13 and #52 I am not using, using OEM vehicle starter wiring.
#18 not present on my PCM.
I am modifying a truck LQ4 DBW, harness green/blue connector style to connect to an E40 PCM and T42 TCM. After I get it all sorted out I will create a conversion table for the pinouts.
#20 I believe is for the cruise control.
#13 and #52 I am not using, using OEM vehicle starter wiring.
#18 not present on my PCM.
I am modifying a truck LQ4 DBW, harness green/blue connector style to connect to an E40 PCM and T42 TCM. After I get it all sorted out I will create a conversion table for the pinouts.
#6
help connections ls2 E40 pcm
hello friend, I 'm trying to make a swap gto 2005 and I have the same question with the connections , you could help your spreadsheet with all the needed connections for runnn..
sorry for the inconvenience and thank you
regards
Carlos
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#8
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Join Date: Oct 2012
Location: Corvallis, OR USA
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Don't mean to bring this back from the dead but, what pins are used for the cam sensor input to the e40 ecu? I've got a few different pin outs and they are all conflicting.