TYPE I / TYPE II DIS C3I MODULE WIRING

TBK terryk at foothill.net
Thu Feb 19 15:00:09 GMT 1998


A Buick with Nylon gears? Never seen one.I'll check the manual.

I'm going to take the pack part number down to the dealer and try to figure
which one they put on there. I know there the a compatable Type II, I just
don't know if that is the one on the car.

TK
-----Original Message-----
From: Scott Shotton <stucky at interaccess.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, February 18, 1998 9:50 PM
Subject: Re: TYPE I / TYPE II DIS C3I MODULE WIRING


>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
>




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