Bulkhead Connector Repin
Thread Starter
Joined: Sep 2008
Posts: 699
Likes: 1
From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Bulkhead Connector Repin
i have a 1986 trans-am that originaly came with a 305 tpi i took the motor out a long with the wiring harness and ECM and i droped in a 1989 350 tpi with '89 ECM and '89 wiring harness i heard u would need to repin the connector at the bulkhead connector i dont know wich ones and need help i got some diagrams on google pics and here the are
this is for the 87 body year

this is for the 89 body year
this is for the 87 body year

this is for the 89 body year
Senior Member
Joined: Apr 2007
Posts: 668
Likes: 0
From: wallingford,ct
Car: 91 formula ws6
Engine: 355 tpi OBDII
Transmission: 4l60E
Axle/Gears: 2.73 with 4th gen brakes
Re: Bulkhead Connector Repin
try austinthirdgen.com. they have same diagrams but only show you what is needed or go onto the lsx/lt1 swap boards. thats where i found alot of great wiring diagrams
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