lack of heated o2 sensor switch, lean bank # 1
behind driver side kick panel
Question needs to be more specific. If you are asking about a "check engine" light, the EEC connector under the hood provides access to the stored codes. It can also be queried with an OBDI code reader.
The EEC TEST connection is in your engine compartment by the power distribution box ( OBD I / EEC IV )
Somewhere in the engine compartment ( battery side ) you will find an EEC TEST connection for your OBD I / EEC - IV system
ECC relay is in a box under the hood on the drivers side. open the lid and look at the inside of the cover and there will be a diagram of where each relay is located.
A 1994 Ford Explorer is EEC-IV / OBD I ( there is an EEC test connection in the engine compartment near the power distribution box )
A 1994 Ford Explorer is EEC-IV / OBD I ( there is an EEC test connection in the engine compartment near the power distribution box )
Plastic box mounted on the inside of the passenger side quarter panel, the relay that is 2-tone and has a plug in the bottom. It is mounted alone.
EEC stands for Electronic Engine Controls. The EEC Relay provides power to the computer.
A 1994 Ford is OBD I / EEC IV - there is an EEC TEST connection in the engine compartment near the power distribution box
I believe the 1988 Ford Thunderbird is OBD I , EEC IV ( there is probably an EEC TEST connection in the engine compartment )
On a 1990 Ford Thunderbird : There should be an EEC TEST connection in the engine compartment for the OBD I , EEC IV system