cutlassefi
Joined: 21 Apr 2008
Posts: 152
Location: Central florida
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 Posted: Fri Mar 30, 2012 7:22 pm Post subject: Re: ACCEL Gen VII HEGO Signal Rtn |
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| 79ZZ4 wrote: | I have a question about the inputs for the HEGO. In the schematic of the HEGO connector, is Pin A (Signal Return) the same as Pin C (Ground)? That is are they electrically both ground (0V)?
I've built a simple opamp circuit to adjust the offset and gain for an AEM UEGO. The output of the circuit is single ended. That is I have UEGO +Signal and Ground. My concern is that the ACCEL Signal Return is part of an input for a differential amplifier inside the Gen VII. |
No, the 4 pin connector is made to power a controller, so you'll have a ground, power, signal in, and another ground.
The plain black is ground for powering a controller, the black with stripe is for the signal. red is power.
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72 Cutlass Supreme Convertible with an Accel Gen 7 Multiport Sequential EFI system. Accel Dealer since '04. Host of Accel "How-to" DVD. |
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