The block heater is standard on most Trailblazers. The cord is attached under a flap against the battery.
Usually the block heater is in place of the passenger's side rear freeze plug
The Cananda, and Alaska, models may, but the US models would have had to have it added as a option.
The block heater cord is on the Engine Block Heater on the 2007 Chevy Optra.
To normally install a block heater you must remove an expanstion/ freeze plug in tighten in the block heater. The 6 cylinder 4.2L engine unfortunately does not appear to have any such plugs. The V8 engine should have a screw in style block heater installed in the left front of the engine block just below the cylinder head.
Do you mean where on a car is a block heater install or who do you take the car to to install?
Drain coolant from radiator and engine block Remove passenger's side rear freeze plug and replace with block heater kit
To install an engine block heater on a 2010 Chevy Cobalt, start by locating the engine block freeze plug, typically found on the side of the engine. Remove the freeze plug carefully and insert the block heater, ensuring it is seated properly. Secure it in place with the provided hardware and reconnect any hoses or wires as necessary. Finally, plug in the heater to a power source to keep the engine warm during cold weather.
Remove and engine block expansion plug. Insert the block heater. Seal the block heater. Attached the wiring harness to the block heater.
where is the engin block heater on a 2007 Ion
That particular make and model of car does not have a block heater!
Install block heater in lower rad hose .
Begin by training the water from your 2003 engine block. Remove the wiring harness from the block heater. Remove the block heater retaining bolts. The block heater will come out. Reverse the process to install your new block heater.