1998 Z28, power draw problem.
01-16-2020 | 12:32 PM
#1
1998 Z28, power draw problem. I'm in the process of tracking down an odd power draw problem.
When the car's shut down, key out and lights off, I'm still drawing about a tenth of an amp.
Here's where it gets odd.
If I break the battery connection, I can hear a relay click (off, I assume) and when I reconnect power, the draw is a much more reasonable .035-.036.
That relay seems to be in the passenger side of the dash, to the right of the glovebox. WTH is over there? Trying to track this one down and fix it.
Car has an aftermarket radio, installed with a crutchfield harness. Also has one of those SLP fan override switches and a front line lock. Neither the line lock or the fan switch seems to be the culprit. Car also has a racetronix hotwire kit for the fuel pump.
What relays are located in the passenger side of the dash, to the right of the glove box?
When the car's shut down, key out and lights off, I'm still drawing about a tenth of an amp.
Here's where it gets odd.
If I break the battery connection, I can hear a relay click (off, I assume) and when I reconnect power, the draw is a much more reasonable .035-.036.
That relay seems to be in the passenger side of the dash, to the right of the glovebox. WTH is over there? Trying to track this one down and fix it.
Car has an aftermarket radio, installed with a crutchfield harness. Also has one of those SLP fan override switches and a front line lock. Neither the line lock or the fan switch seems to be the culprit. Car also has a racetronix hotwire kit for the fuel pump.
What relays are located in the passenger side of the dash, to the right of the glove box?
06-24-2020 | 03:55 PM
#2
Just a followup, figured this one out. It was tune related!
I had the option turned on to run the fans for two minutes after key-off if the coolant was above 185. Now I know why the factory kept this option disabled, as it would keep the BCM powered up.
I had the option turned on to run the fans for two minutes after key-off if the coolant was above 185. Now I know why the factory kept this option disabled, as it would keep the BCM powered up.