[DMCForum] Testing the computer/governor
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[DMCForum] Testing the computer/governor




>Again, The problem is testing the work. There is no way to do it 
except on the car.<<

No way? That's a pretty broad statement. There are several ways to 
test a repaired C/G, I've qualified three of them after 
repair/modification before they ever went back on the car.

After all, one only needs to simulate the speed signal and monitor 
the two solenoid outputs while manipulating the throttle input. 
Easily done by either signal generation or spinning it. Signal 
generation is easier but doesn't check the alternator portion. 
However, that can easily be separately tested with a scope while 
spinning it. (A freq counter is nice to have but not really needed.)

You need to first map the characteristics of a correctly operating 
C/G and use this data as a standard. It's not difficult but takes the 
right equipment setup and some patience. It can be done on the car or 
by building a simple test stand. As a bonus this data also allows for 
modifying the C/G to other than the stock shifting curve. 

I choose to relocate my C/G to the engine compartment but if repaired 
correctly there is not much gained by doing that, other than for ease 
of modification or future testing.



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