Any help would be greatly appreciated let me begin with I have a 92 extended cab 2500 2 wheel drive TBI 5/7 I want to swap in a Vortec l29 7400 engine with wiring harness in the 92 TBI my question is is there a Painless wiring harness or suggestions forms diagrams xcetera or just some knowledge that would assist me in the engine swap once again I would appreciate your input