Well it depends. On my 87, it'* kind of confusing but i'll try to explain it. It may be different on the 89'*. Well the way mine works, when the parking or headlights are OFF, the signal in the bumper and the signal in the corner lense (next to the headlight) flash together. Just so u know there are 2 separate bulbs in the cornering light, one for the turn signal one for the cornering lamp. Now, when the headlights are ON, the bumper signal and the signal in the cornering light flash alternately, and the "cornering lamp" comes on steady. Now somewhere i heard that 87 was the only hear for the cornering lamp, but i could be wrong. Anyone else got input here?
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