With the battery recharged, are you getting the correct voltage at the coils? Also, if you need to remove two relays, it sounds like the issue may be at the power distribution module under the hood. It sounds like it could be a short to ground causing the relays to stay on and causing the battery to drain.
Here are directions that explain how to locate what is causing the draw. I will also attach a link below that includes a video and other checks.
You'll need a digital multimeter (DMM) capable of measuring amperage, a wrench or socket set for battery removal, and a notepad to record your findings.
Ensure that all lights, accessories, and electrical devices are turned off. Make sure the trunk and glove box are closed properly. Sometimes, a simple oversight can cause an unnecessary power drain.
Use the appropriate tool to disconnect the negative terminal of the car's battery. Be cautious and avoid contact between the negative terminal and any metal parts of the car.
Switch the DMM to measure DC amps (usually labeled as "A" with a straight line or dotted line above it). Connect the DMM in series between the negative battery terminal and the negative battery cable. This will allow you to measure the current flowing through the circuit.
After connecting the DMM, observe the current reading. Initially, it's normal to have a small amount of current (usually a few milliamperes) due to systems like the clock and security systems.
Many cars have modules and systems that remain active even after the ignition is turned off. Wait for approximately 15-30 minutes, or consult your vehicle's manual, to ensure the car has entered sleep mode.
While still connected in series, monitor the current reading on the multimeter. If the reading is significantly higher than the normal parasitic draw (usually more than 50 milliamperes), there might be a problem.
Begin by removing one fuse at a time from the fuse box. As you remove each fuse, observe if the current draw drops significantly. Note down which fuse corresponds to the reduction in the current draw.
Once you notice a drop in the current reading after removing a particular fuse, you have likely identified the circuit causing the parasitic draw. Check your vehicle's manual to determine what components are powered by that circuit.
Focus your attention on the components associated with the circuit you identified. Inspect wiring, connectors, and any aftermarket installations for signs of damage, corrosion, or improper connections.
Here is a link you may find helpful:
https://www.2carpros.com/articles/car-battery-dead-overnight
Let me know. I have a feeling if we find the draw, we will have found the ignition issue as well.
Take care,
Joe
Wednesday, May 31st, 2023 AT 8:46 PM