Chevy suburban will not start. Have checked the battery, the starter motor, the battery cables have been replaced, the ignition switch. I have jumped the solenoid switch and the truck still does the clicking?

Is it automatic or manual. If it's automatic try putting it in neutral and then starting it

Suspect a starter or power to it. Unlikely an ignition switch. You can try tapping on the starter motor while the key is in the crank position with a blunt object the next time it happens and see if it starts. If it does, suspect an internal starter motor problem.

Check Battery, if you try to charge or jump starter you may hear a click. If you're sure its a good charged battery then consider starter. Try to jump starter by passing switch, cross small wire to larger wire on starter (you may get sparks) (please be careful if you try this) this should make the starter spin & kick in turning the engine. If it only spins then its probably the starter solenoid. If this checks out then check ignition switch & harness connections. That's it..

Are both battery terminals clean? Does it start when it's jumped? Have you tried putting a redundant ground cable between the battery and the engine and trying again to see if it starts? Is the small wire that energizes the solenoid hot at the terminal where it connects to the starter( when the key is in the 'start' position)? Have you tried to jiggle the gear selector between reverse and drive to see if the neutral safety switch might be the problem? When you tested the battery was it a load tester? If it's connected to the cables and then checked again, that pulls whatever load can be applied after all terminals, universal battery clamps and other chances for the current to be held up. Also, it could just be a defective starter! Some 'factory' rebuilds are not all that thorough. Another thought is ignition switch! Try jiggling the key or tapping on the steering column near the ignition switch.

TRY GETTING JUMP START IF VECHICLE CRANK ON JUMP START.YOUR BATTERY WEAK NEED CHECKING.CHARGED LOAD TEST IF BAD NEED REPLACING.MAKE SURE BATTERY CABLES CLEAN TIGHT FREE FROM CORROSION.TRY THIS TEST TURN ON HEADLIGHTS TURN ON IGNITION SWITCH.IF HEAD LIGHTS GO DIM.STARTER OR STARTER SOLENOID FAULTY WEAK BATTERY.IF HEADLIGHTS REMAIN BRIGHT YOU HAVE OPEN CIRCUIT IN STARTER SOLENOID OR STARTER AMATUER OR FIELD WINDING.

IF BATTERY CABLES OLD THEY WILL CAUSE POOR GROUND HIGH RESISTANCE IN STARTER CIRCUIT CAUSING STARTER NOT TO CRANK ENGINE.CHECK TO SEE IF DASH LIGHTS AND GAUGES WORK WHEN YOU TURN ON IGNITION SWITCH IF NO CHECK IGNITION FUSES.IF FUSES OKAY IGNITION SWITCH IS OPEN NEED REPLACING.NOW IF BATTERY VOLTAGE IS 12.6 VOLTS, BATTERY CABLES GOOD AND IGNITION SWITCH AND FUSE OKAY. STARTER SOLENOID OR STARTER FAULTY.REMOVE STARTER TAKE TO ANY AUTO PARTS STORE THEY WILL TEST STARTER.TURN OFF RADIO BEFORE REMOVING NEGATIVE BATTERY SO YOU WONT LOCK OUT RADIO.

Could be the cables or the starter. Remove the starter and have it tested.

Make sure battery is fully charged, try jump starting it, if it starts, and you can get a volt meter, put the test leads on the battery terminals, red positive black negative, have the dial on the meter at 12volts DC.
With the motor running, the meter should read between 14 and 15 volts, below that, the alternator isn't charging and needs replacing.
If it still clicks with a jump, the starter solenoid is bad and needs replacing. The solenoid is on top of the starter, which has to be removed to fix it.

Today 11-12-08 my 2003 H2 Hummer would not start. Checked battery it ischarged. Cables tight. Tried to start with portable booster pak. No go. Tridto jump start with my wife's Suburban. Still no go.
When I turn the switch I hear a single click and that is it. No engine turning over. While trying to start with key the headlights go out. Out of ideas, Will take to Chevy garage in am. Will post solution.

Q1. Engine will not start or is hard to start (Cranks OK) A1 -Ignition lock switch faulty -Ignition coil faulty -Power transistor faulty -Spark plugs faulty -Ignition wiring disconnected or broken -Spark plugs faulty Q2, Engine will not crank A2. Battery discharged Battery cables loose, corroded or worn out Transaxle range switch faulty (Vehicle with automatic transaxle only) Fusible link blown Starter motor faulty Ignition switch faulty Ignition lock switch faulty REMEDY Charge or replace battery Repair or replace cables Adjust or replace switch Replace fusible link Repair starter motor Replace ignition switch Replace ignition lock switch