Is there a fuse pull test for parasitic drain?
I removed every fuse and everything plugged into the fuse box all at once and still the same draw. I unhooked the alternator, same draw. I unhooked the starter, same draw. I unplugged every relay under the hood and same draw. I don’t know anywhere else to look. Any help would be greatly appreciated!! Thank you. Mike
When to disconnect battery for Fuse pull test?
I did find a TSB that says that the computer might cause a draw only after it has been turned on and then off, so disconnecting the battery to set up the test gets rid of the draw if it’s that.
How long does a parasitic drain battery last?
I have a 4.7 amp parasitic draw. the battery goes dead in 2 days. I have replaced the starter, alternator, and battery. all are new. I did the draw test by pulling each fuse one at a time. no changes in the draw.
Do you have a bed light, fuse pull test?
I am aware of possible current draws occurring with faults from either of these items (ie. a faulty seat motor and a power window motor that continues to run due to a faulty switch). Given the age of your truck you probably do not have either of these items fitted though but I thought I would throw this up in case. Do you have a bed light?
I removed every fuse and everything plugged into the fuse box all at once and still the same draw. I unhooked the alternator, same draw. I unhooked the starter, same draw. I unplugged every relay under the hood and same draw. I don’t know anywhere else to look. Any help would be greatly appreciated!! Thank you. Mike
I did find a TSB that says that the computer might cause a draw only after it has been turned on and then off, so disconnecting the battery to set up the test gets rid of the draw if it’s that.
How to find the cause of parasitic battery drain?
Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading.
I am aware of possible current draws occurring with faults from either of these items (ie. a faulty seat motor and a power window motor that continues to run due to a faulty switch). Given the age of your truck you probably do not have either of these items fitted though but I thought I would throw this up in case. Do you have a bed light?
How to check for parasitic draw on Honda?
If not reinstall B16, then pull No. A3-2 (IG1 MAIN) (50 A) fuse in the main under-hood fuse box, close the doors, wait 40 seconds, then measure the parasitic draw. If not below 52mA, then Honda recommends pulling each fuse in that box 1 at a time, closing the doors, waiting 40 seconds and check the draw until you find the culprit.
How much parasitic draw does a Toyota DX have?
And is a .2 amp parasitic draw about right on a 90 2.0L AutoTranny DX? The only thing on in the car is the clock and I guess the computer draws a little juice all the time. I am not sure of the spec for your car, but most cars I have seen have a parasitic draw of about 20-25 miliamps, so you definitely have a heavy draw there.
How much voltage drop causes a parasitic draw?
Check all fuses to be sure you located each circuit causing the parasitic draw. Our vehicle has a confirmed 6 millivolt voltage drop across a single fuse. Record that amount. Next, reference the chart to calculate the amount of milliamp draw. The chart confirms we have 60 milliamps on a single circuit.
When to look for a parasitic power draw?
Your battery could be near the end of its service life and it should be recycled and replaced with a new one. If the battery test shows that it is still good, then it’s time to start looking at a parasitic power draw. While you’re under the hood (or at Advance Auto Parts), test the alternator.
What’s the parasitic draw on a car battery?
Our subject vehicle has a parasitic draw of 60 milliamps. This is enough to discharge the battery. With our confirmed fault, we head to the interior fuse panel to pinpoint the source of the draw. Set your DVOM to read millivolts. Place the positive and negative test probe on each side of a single fuse.
Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading.
I have a 4.7 amp parasitic draw. the battery goes dead in 2 days. I have replaced the starter, alternator, and battery. all are new. I did the draw test by pulling each fuse one at a time. no changes in the draw.