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5. Steering wheel shakes at higher speeds. A final warning sign of a bad steering damper is when the steering wheel vibrates at higher speeds. This symptom is very common with out-of-balance tires, worn out CV joints or warped brake rotors. However, when the steering damper is loose, it can also create a similar situation.Jul 31, 2014 · Both are misleading. The wiring diagrams state that the coils ground to G109, then in parenthesis it says (located on lower left of engine.) The pictures show G109 as being on the lower left of the engine. However jimmyjam's pictures showed G109 as being on the front of the motor towards the passenger's side.3. Check for a Bad Ground. If there is a ground wire running to the brake light switch, make sure that it is secured tightly and corrosion free. If you can't find the ground wire at all, run a jumper wire to substitute for the ground wire. Now test the brake light switch. If it works, fix the ground wire. 4. Other Wiring IssuesThis symptom indicates a completely open electrical circuit inside the neutral safety switch which may be due to a faulty relay, blown fuse, or electrical problem with the switch itself. If the issue is with the switch, it will need to be replaced. 4. Engine cranks in any gear. Being able to crank the engine even when it is already running and ...The most common symptoms of dead battery in Chevy Silverado 3500 HD are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. ... When the ground is bad, the starter solenoid may still work and make clicking noises as it has low current requirement, but the starter motor may ...13K. 1.5M views 6 years ago CANADA. Is your Silverado, Sierra or GM Truck giving you electrical issues? In this video we go over the electrical grounds which might cause potential issues in...13K. 1.5M views 6 years ago CANADA. Is your Silverado, Sierra or GM Truck giving you electrical issues? In this video we go over the electrical grounds which might …Jun 25, 2019 · Here are the most common symptoms of bad coil packs: 1. Service Engine Soon Light. The check engine light is one of the most common symptoms of bad Coil Packs. More often than not, your engines computer will be able to detect bad Coil Packs in your Silverado. There are several misfire related trouble codes.1) Dead Battery. A bad electrical connection inside the body control module may cause a parasitic draw. A parasitic draw occurs when a vehicle system draws power from the battery, even when that system is supposed to be powered off. If your battery dies after a day or two of the vehicle sitting, you likely have a parasitic draw.3. Visually inspect the actuator to ensure it’s mounted properly and the linkage is not binding. Visually inspect the door lock actuator and linkage. 4. Remove the actuator connector. 5. Set your meter to the 20 volts DC scale. 6. Connect the negative meter lead to a good ground.The P0449 code is a common diagnostic trouble code (DTC) that is specific to Chevrolet Silverado vehicles. This code is related to the EVAP (evaporative emission control) system and indicates an issue with the vent valve/solenoid circuit. The EVAP system plays a crucial role in controlling vehicle emissions by capturing and storing fuel vapors ...60 posts · Joined 2014. #5 · May 5, 2016. I have replaced a lot of suspension parts. To check the control arm bushings jack it up grab the wheel at the top and bottom like you would for ball joints or bearing.See if there is any movement. you sometimes can just try to move the top of the wheel while its on the ground.Dimming or flickering lights - This can be a sign that the ground wire is not providing a good connection for the electrical current to flow. Over time, this can cause damage to the electrical system in your car. Engine stalls - If the ground wire is not providing a good connection, it can cause the engine to stall.Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. 1. Irregular idle speed. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle ...Out of many symptoms of a bad engine ground wire, the one most of us dread in unpleasant weather is the air conditioning unit behaving unruly. The compressor clutch of the air conditioner will not receive ample power from the battery, thus creating a lockout due to low-pressure. As the compressor clutch will not receive proper electric current ...This pressure comes in the form of power steering fluid, which gets pumped from the reservoir into the steering gear as needed. There are up to 5 symptoms of a bad or failing power steering pump, so if you notice the following, have the pump inspected by a professional mechanic as soon as possible: 1. Whining Noise While Turning the Wheel.Set the multimeter to the 20volts Direct Current (DC) setting. Connect the red probe to the positive battery terminal, and the black probe to the negative terminal. It should read around 12.06 volts. Afterward, connect the black probe to the ground connection (the ground strap that connects to the chassis).Common Trouble Signs. One of the keys to diagnosing a problem with the body control module versus an issue with an individual component is sudden, unusual behavior. Examples include flashing dash lights, a stereo system switching from AM to CD in the middle of a broadcast, the horn honking when you put down a specific window or hazard lights ...Chevy Silverado 1500 - (Jonathan Weiss / Shutterstock) The most common symptoms of a bad wheel bearing in Chevy Silverado 1500 are grinding or humming noise, knocking or clunking noise when cornering, shaking steering wheel, body vibration, uneven or abnormal tire wear, play in wheel, and vehicle pulls to one side when driving in a straight line.Hopefully my video helps others with this issue and saves them money. As some of you have seen from my previous posts I've been having a odd issue with random electrical issues. This effects some 2014 trucks, not sure about 2015. I've been having errors about stabilitrack, flickering headlights, cruise control issues, among others.Ozone is a gas that can be good or bad. Good ozone is 10-30 miles above Earth's surface while bad ozone is at ground level. Read more about both. Ozone is a gas. It can be good or ...Usually a bad or failing EBCM will produce a few symptoms that can alert the driver of a potential issue. 1. ABS Light comes on. The most common symptom of a problem with the EBCM is an illuminated ABS Light. The EBCM is often tied into, if not the main control unit for the ABS system. When it fails or has any issues, it will set off the ABS ...

Here are some of the bad alternator ground symptoms that might appear when your car has an alternator ground cable that’s on its last legs: Your headlights might begin to flicker almost every time you have them on. Your car battery might stop recharging like it’s supposed to and die out on you way sooner than expected.Tow Master. 24781 posts · Joined 2006. #2 · Sep 28, 2008. Hmmm the mpg loss and grey smoke would go towards injectors but I cant think of what would cause the strange shift patterns or the fan is really unusual. You'll definatly have to take it in and get the injectors looked at! Jason.Examine these possibilities in detail to see if you are dealing with a failing water pump. 1. Leaking Coolant. Coolant leaks can happen because of many reasons, so a bad water pump isn't always to blame, but it's a possibility to consider. If the coolant is leaking from the front of the engine, you may want to check the pump.4 Answers. 565. Karl answered 11 years ago. yes first thing to do is clean battrey posts and body ground cable. 2 people found this helpful. Mark helpful. 60,505. Andrew answered …A bad ground can cause all sorts of weird issues. You can also unhook your battery for awhile and then see if some of the codes go away. 2015 SILVERADO LTZ 6.2L -4x4 -8 Speed -HDX Steps. 1964 C-10 383 Stroker -12 Bolt Posi -Custom Holley 650 -Hurst Shifter -Stan's Headers -2 1/2" duals w/H pipe-40 series Flowmasters.

Apr 10, 2019. I have 2003 Silverado K1500 LS. My HVAC control module keeps failing (the unit in the dash with knobs for fan speed and air flow, plus dual-temp sliders). I have replaced it 3 times in the last 2 months. I have attached a pic below showing the exact unit in my truck. Something must be overloading some of the circuitry in the ...The thermostat in your Chevy Silverado's engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A ……

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. This video will teach you about 6 bad crankshaft po. Possible cause: Ozone is a gas that can be good or bad. Good ozone is 10-30 miles above Earth's s.