Easy tips

What should the coil voltage be on a blazer?

What should the coil voltage be on a blazer? Now, touch the red DMM lead to the battery's positive terminal, and poke the black lead into the C-wire (black with white stripe); again, you should see between 10 to 12 volts. If you didn't get these results, then your problem is the power supply, not the coil/module. Why is my ignition coil not working on my Blazer? Touch the LED light's positive lead to the battery's positive terminal, then crank the engine again. If the light flashed on and off while you cranked the engine, then the ignition control module...
Easy lifehacks

How much compression does a Chevy engine have?

How much compression does a Chevy engine have? Chevy’s literature states this is an 8:1 compression engine, and that’s what we found when we measured one of these engines a couple of years ago. This engine uses a dished piston with 13 cc’s of volume that reduces the compression. One of the dimensions that is not easily changed is the distance from the piston top to the deck. What should the compression value be on a Silverado? The engine will soon turn over 170,000 miles. The values are Cylinnder, 1st crank, and max: I don't know what is a "good"...
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Where does the black wire go on a 7 way plug?

Where does the black wire go on a 7 way plug? Typically, the black wire is 12 volt power and the red wire is left turn/brake lights. But you cannot always go by color. If the wiring in question is on the trailer side then there are two ways to determine which color wire does what function. Is there a fuse in an electrical plug? not all electrical plugs have a fuse, but in the UK its been standard since 1947 (post war) before that there was no fuse in the plug. Its simply there to act as a safety...
Easy lifehacks

Why does my car not idle when the battery is dead?

Why does my car not idle when the battery is dead? There’s never a good time to have a flat battery, and just when you get that sorted you find the stupid engine won’t idle! I feel your pain, this is exactly what happened to me. So why won’t the car idle after a dead battery? When the car battery goes dead, power to the on-board computer is interrupted. Why does the Check Engine light come on when the engine is idle? The check engine light in your vehicle is designed to turn on if the Engine Control Unit (ECU)...
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What causes code P0300?

What causes code P0300? P0300 indicates that two or more cylinders are experiencing misfires. A misfire occurs when an insufficient amount of fuel is burned in a cylinder. A misfire from two or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. What does P0300 mean on a spark plug? Many times, P0300 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil. P0300 should be repaired immediately. What are the causes of a P0300 leak? P0300 Causes 1 Faulty or worn spark plugs...
Other

What happens when you overfill coolant reservoir?

What happens when you overfill coolant reservoir? Coolant expands as it heats and contracts when it cools. The extra space prevents damage to your engine and hoses. In worst case scenarios, overfilling your antifreeze tank can lead to electrical damage if overflow comes into contact with engine wiring. Where is the coolant and antifreeze reservoir located? After filling with Prestone, make sure that the cap of the expansion tank is replaced and tightened. Start by locating the coolant/antifreeze reservoir; this is usually visible on either side of the engine bay under the bonnet and is identifiable by the brightly coloured...
Other

Is there a Bose radio with no sound?

Is there a Bose radio with no sound? Bose Wave radio turns on, but no sound. When volume is Bose Wave radio turns... Bose Waveradioturns on, but no sound. When volume is turned up to max, get intermittent screech. Tried unplugging, waiting a minute, plugging back in to see if it resets. What happens when I Turn on Bose Wave Radio? Bose Waveradioturns on, but no sound. When volume is turned up to max, get intermittent screech. Tried unplugging, waiting a minute, plugging back in to see if it resets. Ben Technician's Assistant:What's the make and model of your tv,...
Common questions

What causes an AC unit to click on and off?

What causes an AC unit to click on and off? If your air conditioner keeps turning on and off your AC system is most likely short cycling. An AC system may turn on and off repeatedly due to dirty, broken, or failing parts or for various other mechanical or electrical reasons. It also causes extra wear and tear on the mechanisms that work to turn on your AC. Why do I hear clicking on my a / C unit? 1. Clicking while the A/C is running: If you gradually hear clicking coming from your outdoor unit, there’s probably a small...
Other

How do you test a 4 wheel drive selector switch?

How do you test a 4 wheel drive selector switch? How do you test a 4 wheel drive switch?Locate the four-wheel drive high button on the dash.Drive the vehicle as normal and press the button or shift into 4Hi.Turn the vehicle to the left and right while moving.Locate the four-wheel drive low button on the dash or shifter.Stop the vehicle. What to do if your 4 wheel drive doesn't work? Also check your grounds on the frame rail below the drivers door towards the front near the cab mount, dc them and clean everything with a wizzer wheel, reassemble and...
Other

How can I use OBD2 software on my car?

How can I use OBD2 software on my car? Step 1: Connect ELM327 to your car’s OBD port. Step 2: Install ELM327 drivers. Step 3: Launch OBD2 software, and click “Connect”. It’s that easy! To access the information from the ECU (Electronic-Control-Unit), one needs a computer and software to plug the port and gain access. Why is my OBD2 not connecting to YouTube? These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. OBD-II.... Non connecting data Port Issue. *FIXED* This might help you! - YouTube OBD-II.... Non connecting data Port...