basic answer behind the radio or under the fender behind the plastic
To replace the power antenna on a 1989 Ford Thunderbird, first, disconnect the negative battery cable for safety. Then, remove the right front fender's inner liner to access the antenna. Disconnect the power and antenna cable from the old unit, unfasten any mounting screws, and pull the old antenna out. Install the new antenna by reversing the steps, ensuring all connections are secure before reassembling the fender liner and reconnecting the battery.
The antenna connection, for your 2000 Ford Taurus, is on the back of the radio. The antenna cable goes from the radio to the connection in the windshield.
There is a CEL, Check Engine Light, on the 1989 Thunderbird.
in the tank
it probally became disconnected from the back of the head unit.
Ford mondeo 03 cable route and connection points antenna to radio
On a 1990 Ford Thunderbird : There should be an EEC TEST connection in the engine compartment for the OBD I , EEC IV system
I believe the 1988 Ford Thunderbird is OBD I , EEC IV ( there is probably an EEC TEST connection in the engine compartment )
behind the engine in the transmission tunnel...
35 or 39 PSI
where is the obd connection point on a 1992 thunderbird OBD1 is usually under hood by battery
According to one of Fords websites : For a 1989 Ford Thunderbird , 3.8 liter V6 engine : The spark plugs are gapped at ( .054 inch )