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I'm rewiring my 82 Camaro with crossfire injection to use the
7747, which seems to be fairly straight forward except for a few variations
between different pinout charts.
1)One chart shows 4 pins for the injectors D15 & D16
for injector A and D14 & C15 for injector B. The other shows just 2 pins
with D16 for A and D14 for B. The stock Camaro harness/computer only used 2
pins. The wire colors match the 2 pin chart(D16/D14), but also match 2 of the 4
pins on the other chart, but not the same 2(C15/D16). What are the extra 2
wires? Do I need them or can I just run it the way it is? Why the heck is the
light green wire D14 on one and C15 on another?
2)In the archives it says A3 is canister purge, but neither of
GMs charts show this and just list A3 as not used.
3)A4 is listed as EGR and EVRV control. What is EVRV, and does
this control both or is it either or?
4)A7 is either TCC or MT shift light. Since I went from AT to
MT I would like to rewire this to the shift light, but is there a way to set the
rpm for the shift light?
Kevin R
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