Originally Posted by Bonneville1999
OK, so based on your input, the 3 wires I don't have connected (cuz I don't know which wire goes to what) are for the tank pressure sensor. If I don't reconnect them, then what happens? Will the car not run?
If the connector is for the fuel tank presssure sensor... if...a 98 is the same as a 97 leSabre...,
my FSM for a 98 shows the wires as Dk GRN, GRY and BLK on both sides of Connector 420.
I haven't been able to find a diagram showing the location of C420, but I'll keep reading.