i have switched injectors 1 & 4 still code for # 1 i have 14 volts both sides of injctor and 12.5 volts as it enters pcm br/y wire what should resistance be on that circuit or am i barking up wrong tree . it is missing through all rpms, the #1 plug was burning richer than the rest , i swithed plug wire #1 and #2 no change . resitance on sec coil between 1 and 4 post was 12600 what am i missing ???

 

Welcome to the site. I will move this thread to the Caravan section,
FF

 

The BR/WT wire is ASD feed. It should reflect battery voltage with KEY ON. The BR/YL is PCM control wire. PCM uses that wire VIA the internal driver to close ground to the injector and complete the circuit. There should be close to zero ohms resistance between injector and pin 13/C1 of the PCM. It also should have no power on it or continuity to ground.

That's just a basic start however, you seem to have a multimeter. You just need to get a 12V test light and a manual and do the P0201 test. It's not too involved plus you'll be sure you're checking it right. Start FIRST by checking the wire loom going to the injector rail. The plug is right behind the power steering fluid reservoir. Make sure the wires are not melted together.