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Carrera Charlie's Avatar
 
Join Date: Jan 2001
Location: Mercer Island, WA USA
Posts: 205
Garage
How to wire a CIS engine into a '69 chassis

After spending a good deal of time figuring out the connections between a CIS engine with a 14 pin connector and the 6 pin connectors on my '69 911E, let me publish the checklist I used to successfully connect the two.

Porsche wiring checklist connections required to run a CIS equipped 1974 911S/Carrera engine in a 1969 911E/S:

Connector T14b

Pin #1 Do nothing - connect yellow wires from '69 chassis and '74 engine harness to starter solenoid

Pin # 3 Connect jumper to Green/Black wire from left 6-pin connector on bulkhead for oil temperature

Pin # 4 Connect jumper to Green/Red wire from left 6-pin connector on bulkhead for oil pressure

Pin # 5&6 Do nothing - use backup switch wires from '69 chassis

Pin # 9 Do nothing - use '69 coil and attatch Red/White wire from right 6-pin connector on bulkhead and Blue/Yellow wire from rear engine compartment wire harness to #15 connection on coil

Pin # 10 Connect jumper to terminal #87 on new relay added for warm up relay

Pin # 11 (D+)
1 - Connect jumper to bottom aft tab on regulator block using female connector on jumper
2 - Connect jumper to Blue wire from left 6-pin connector on bulkhead using male spade connector on jumper
3 - Connect jumper to terminal #86 on new relay added for warm up relay

Pin # 12 (D-)
1 - Connect jumper to middle forward tab on regulator block using female connector on jumper
2 - Connect jumper to terminal #85 on new relay added for warm up relay

Pin # 13 (DF) Connect jumper to upper aft tab on regulator block using female connector on jumper

Other Connections

Coil #1 Connect to ground on fan strap

Coil #4 Connect to distributor

Coil #15 Attatch Red/White wire from right 6-pin connector on bulkhead and Blue/Yellow wire from rear engine compartment wire harness to #15 connection on coil (see Pin # 9 above)

Bosch Generator B+ Attach large Red wire with nut

Bosch Generator D+/61 Attach Blue wire with nut

Bosch Generator DF Attach Black wire to vertical leg of "T" shaped connector

Bosch Generator D- Attach Brown wire to horizontal cross member of "T" shaped connector

Terminal #30 on new warm up relay Wire into rear fuse block - attach to inboard wire which is keyed-on power


I hope this helps anyone attempting this installation. Contact me if you have questions.

Regards,

__________________
Charlie - GruppeB #013
'69 911E Targa
'72 VW Bug
'74 Carrera Targa
'85 LandCruiser (FJ-60)
'89 MB 190E 2.6
'97 Town & Country (family hauler)
Old 10-14-2005, 10:48 PM
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