Shop › Injector Adapter 96-99 3100 To 00-05 3100/3400 Injector Adapter 96-99 3100 To 00-05 3100/3400 $50.00 Sold Out Injector adapter for the 96-99 simplified harness to run the 00-05 3100/3400 engine. Get notified by email when this product is in stock. Sold Out Added! Injector adapter for the 96-99 simplified harness to run the 00-05 3100/3400 engine.