Published Tuesday, 17 January 2012
The win comes days after a humiliating defeat for the east Belfast side in the JJB Sports Irish Cup against amateur side Newington YC.
Colin Nixon opened the scoring in the first half with a goal on 37 minutes.
Two more goals came from Andrew Waterworth and Stephen Carson in the 75th and 81st minutes.
Coyle took charge of the bench on Tuesday evening following the resignation of Scott Young after the cup exit.
He agreed to take over the job on a temporary basis in the wake of Saturday's defeat.
Coyle got the response he wanted from the players, who dedicated their to ex-manager Scott Young
"Had they been performing like this all season, I am sure that they wouldn't be in the position they are in. I am absolutely positive that Scott would still be in a job," he told UTV.
"I promised the chairman and the Board that I would stay on until they appointed a manager and that still stands.
Glentoran face Carrick Rangers at Seaview on Saturday.