tinfoil_hat
I'm Awesome
I had a block heater like that on my old Suburban and I loved it. Of course I drove off with the extension cord still attached several times. Once I was 20 miles from home and this car was trying to get me to pull over. Looked in the rearview and saw 50' of yellow extension cord following me.
The plug end might be ziptied behind the grill or right behind the front bumper. That's where you usually find them.
As for the block drain plugs, there are two. On the passenger side it is also the knock sensor. On the driver's side it looks like a 7/16" hex head bolt. It's gonna get messy when you pull the plugs. Coolant goes everywhere. On my current truck I removed both plugs and nothing came out until I roto rootered around inside with a piece of wire. Then a ton of rust and solidified Dex Cool shot out before all the water. Wear goggles and keep your mouth closed.
The plugs are pipe thread so clean them with a wire brush and paint them with PTFE sealant before reinstalling.
The plug end might be ziptied behind the grill or right behind the front bumper. That's where you usually find them.
As for the block drain plugs, there are two. On the passenger side it is also the knock sensor. On the driver's side it looks like a 7/16" hex head bolt. It's gonna get messy when you pull the plugs. Coolant goes everywhere. On my current truck I removed both plugs and nothing came out until I roto rootered around inside with a piece of wire. Then a ton of rust and solidified Dex Cool shot out before all the water. Wear goggles and keep your mouth closed.
The plugs are pipe thread so clean them with a wire brush and paint them with PTFE sealant before reinstalling.