No brake lights, turn signals, or hazards

[bazelightyear]

So after pulling and untaping the entire rear harness, I found nothing out of the ordinary. I did however pull the bcm, and what I found was some SERIOUS corrosion on all of the connectors. I would post a picture of just how bad it is, but I'm posting from my phone and can't figure it out... So anyways, I'm about to head to Walmart to pick up some electrical parts cleaner, and I'm reeaally hoping it'll do the trick.

[sleepyboy]

Try to post a pic if you can.

[bazelightyear]

I tried cleaning the corrosion, and still nothing. I'm beat.

[sleepyboy]

Holy cow that's some corrosion!

At this point I would start checking all the grounds everywhere, especially after seeing the BCM. The car was never in a flood was it? You may also want to try swapping out the headlight switch. I had to do that after having a similar problem like yours. This was after I replaced the Hazard switch a few times through the years. It's been years since I had a problem with the lights now.

[whynotthinkwhynot]

That's not going to clean off with electrical parts cleaner. You need scotchbrite pads or a new module. FYI: grease on the terminals will prevent future corrosion. A large container of dielectric grease is not as expensive as purchasing it in small quantities.