Diode ID #2

[Peter D. Hipson]

Hate to say it, but if these two are fried, then you probably will have
other problems with the ECU. They are clamping diodes used to remove spikes
from the VBatt line. If they are open, they the system might work anyway,
but regardless, one of them is almost certainly a zener. 

At 01:10 PM 6/7/99 -0500, you wrote:
>The Diode next to CR1 also looks to be bad.  Don't have the board ID for
>this diode as it must be under the connector if it was printed.  Fairly
>large black plastic package like a rectifier diode.  Marking on this guy
>are AA 8502 0704.  These two guys were in series one forward to Vbatt
>the other forward to Gnd.
>
>Thanks 
>Matt
>
>
Thanks, 
        Peter Hipson (founder, NEHOG)
        1995 White NA Hummer Wagon