But that 4 inches can be done with 1 or 2 fingers. I literally have to push down slightly to engage the hood latches. It takes more effort to close than open.
My understanding, according to a " Solar " friend of mine is that with no line power you cannot use your panels unless you have battery backup in place.
I have a heavy duty relay on the positve battery lead contrlled by a keyed switch on the dash. I leave my light switch in the ON position always. Insert the key and turn on; lights are on. Then start the engine with the normal start button. I have used this setup in 5 trucks with no issues.
I'd start with taking the solenoids apart in the PCU, cleaning and verify that all are working and not sticking. . Ohm your coils too. If all is good, start checking wheel valves.
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