- Dec 15, 2017
- 3
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I replaced my heater core a few days ago on my 99 GT. After putting it back together and dash back in it ran good for a day with the exception of feeling like it was accelerating differently on release of the clutch. Thought I was was paranoid and tired. The following day I started it to warm it up and after about 2 minutes it died. I tried to start it again and the anti theft light came on and the module in the passenger fender well began buzzing with the key in the on position. Does anyone have any ideas before I take the dash back out? I fear maybe I possibly overlooked a connection on the wiring harness somewhere but was pretty confident I got them all. Any help would be greatly appreciated!