code 20 on ecu and starting problems

I bought a 1989 Honda CRX Si about a week ago. My check engine light comes on after about 5 minutes of driving everytime I drive it. When I checked the ecu, I am getting a 20 flash code. The haynes manual says this is an electric load problem and I should consult the dealer. My experience has taught me that the people on this forum normally know more than the dealer. I am also having occasional starting problems. Twice now since I purchased this vehicle, the engine attempts to start, it turns over and over but never cranks. I would think it was the fuel pump, but once the vehicle starts, there isn't even the slightest sputter. When the engine acts up like this, all I have to do is spray a small amount of starting fluid into the intake, and it starts right up. So I have 2 questions. One, what exactly does the code 20 mean? And two, what could possibly be causing this starting problem? Thanks again for the help.

I'm having the same problem with my 89 CRX si not wanting to start. If I keep turning it over, it eventually starts and runs fine. Guessing it is the fuel pump, but any suggestions would be appreciated!

Thanks.

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