Other uses for the C.E Lamp

[David Cooley]

At 11:11 PM 6/30/99 +1000, you wrote:
>Has anybody on the list had a tinker with using the C.E Lamp to show any
>other info apart from diag stuff?. I know there is probably some serious
>assembly writing to do such things, but could you use the C.E lamp to show -
>knock detection, shift light or other functions like this while the engine
>is running.
>I might be wrong but possibly Kalmaker did something like this.
>

GM has a function where you short the diagnostic pin to ground and as you
drive the CE light let's you know A/F.
it flashes at 1 flash per second and with a 50% duty cycle (.5 sec on, .5
sec off) you're at stoich... longer on time is rich, longer off time is lean.
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David Cooley N5XMT Internet: N5XMT at bellsouth.net 
Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068 
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