GM ECM injector driver capacity

[Ken Kelly]

Bruce Plecan wrote:
> 
> -----Original Message-----
> From: Ken Kelly <kenkelly at lucent.com>
> Subject: Re: GM ECM injector driver capacity
> 
> >Bruce & Brock,
> > Be careful with testing using resistors to simulate the
> >Injectors. I assume you mean you are going to use a bunch of
> >12 ohm resistors to simulate the Injectors. The injector is
> >really an Inductor. You may be able to run the ECM all day
> >with the resistors, and still blow it up the first time you
> >stick the inductive load on it.
> 
> OK, then sent me what you'd consider to be the right inductive
> load, and I'll test that.
> 
> Upon reflection,  the 165 was used to fire a single TBI so it,
> can do a "I think 2 ohm load".  Also, PPF wrote in the last
> couple mounths about grounding a terminal to current limit
> the 730, and In the 165 TBI application they tied two wires
> differently for the TBI.
> Cheers
> Bruce

Bruce,
	Do you know of any online reference that gives the Injector
specs? I will look at it to see if I can figure out a
reasonable load. The one problem that may be difficult to
model is that releasing the injector can actually create a
voltage spike from the plunger returning to its seat.

		Ken