Nov 28 2012 9 34pm.
Gmc sierra battery drain.
Put one multimeter lead on the battery terminal and the other on the positive cable.
To isolate the source of the battery drain connect an ammeter to the positive red battery cable observe the current drain likely less than 1 amp then one at a time remove each fuse check to see if the current drain has dropped to near 0 then reinsert the fuse.
With key off unhook your positive battery terminal.
Diagnostic instructions perform the diagnostic system check vehicle prior to using this diagnostic procedure.
Gmc sierra 2500 hd 2013 performance series battery odp agm48 h6 l3 by odyssey.
You re basically making the multimeter part of the circuit.
The recall involves certain 2019 2020 chevrolet silverado 1500 and gmc sierra 1500 models.
2904767 battery electrical drain parasitic load test 12 v battery the following procedure is for the 12 v battery only.
The problem stems from an electrical connection with the alternator.
Now since its being drained i assume you ll see some kind of amperage draw.
Chevy truck forum silverado sierra gmc truck forums.
One by one pull each fuse in your fuse box.
The most recently reported issues are listed below.
Please also check out the statistics and reliability analysis of the 2015 gmc sierra 1500 based on all problems reported for the 2015 sierra 1500.
Set the meter to read amps.
The trucks may have connectors.
This process should identify the faulty circuit in most cases.
One problem related to battery dead has been reported for the 2015 gmc sierra 1500.
Battery drain parasitic drain issue.