TYPE I / TYPE II DIS C3I MODULE WIRING

[Shannen Durphey]

Don't know about the connectors, but check out some service manuals in
"driveability and emissions".  Can scan info for you if you don't have it
available.

Shannen

Scott Shotton wrote:

> The modules are not direct swaps.  With schematics and some minor
> harness modifications, you may be able to get them to work.  You might
> need to change to a different plug in, they are "keyed" to fit the
> appropriate modules.
>
> I have seen quite a few type I coils fail (hard start cold, about 30 deg
> and below).  Insufficinet avaliable voltage.  Another guess as to why GM
> changed:  replacing individual coils is cheaper then replacing all
> three.
>
> Off the subject,  GM 3.8 vin 3's have a nylon cam gear.  Around 100,000
> miles (especialy in climates that vary in temperature causing the nylon
> to expand and contract) they spit the teeth and smash the valves.
> Replacement gears are steel.  If you are near the milage and havent donr
> the gears and chain, you might want to think about it.  3.8 vin C (3800)
> has a steel cam gear factory.
>
> TBK wrote:
> >
> > I have a VIN 3  3.8L Buick V6.
> >
> > It appears the Type I C3I coil pack (opposite side output) was swapped
> > to a Type II (same side output) to correct a miss in the engine..
> >
> > Can someone confirm, deny, or supply dis-information regarding the
> > wiring being different between the two.
> >
> > I suspect the two can not be swapped without changing the sensor, EST,
> > bypass, etc wiring.
> >
> > Drawing appear to show them as being different.
> >
> > Are they direct swaps?
> >
> > True or false.
> >
> > Terry Kelley