I parked my truck A/C was working fine. Next morning started it up no A/C. After I did some troubleshooting the determination is fuse 30 (A/C clutch power10 A) in the power distribution box is good. I dig up some wiring diagrams and start through it. The load side of fuse 30 should have a internal (in the power distribution box) jumper to pin 3 (switch leg) on relay # 23 (fan clutch relay). I start it up, turn A/C on, I pull relay 23, check pin 3 nothing there. I go ahead and run thru the rest of the circuits. Relay 23 coil pin 1 is hot, I check pin 1 to pin 2 I show power across pin 1 and pin…
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Can a bad battery cause these problems?