rstan2010 Posted December 22, 2019 Report Share Posted December 22, 2019 Please help! Yesterday we replaced the heater core, removed the dash etc and installed back together. Now the car won’t crank or start. Anti theft security is flashing fast and most of the lights are on. Any ideas? Quote Link to comment Share on other sites More sharing options...
Bucketheadisgod2 Posted March 25, 2021 Report Share Posted March 25, 2021 Are you sure you plugged back in all the cables you pulled out from underneath the driver side steering wheel. i just did my heater core about a week ago and I didnt have that problem also did you remove the negative terminal off the battery before you proceeded to replace the heater core because that could of possibly been the culprit if you are absolutely certain you didn't miss any electric connectors. Another culprit could be that your shifter linkage go pulled back to much and its in gear and the car of course wont turn over unless its in park. I dunno those are really only the three things I can think of. Let me know if you figure it out or not. Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted March 27, 2021 Report Share Posted March 27, 2021 Try your other key to isolate if the key is no longer recognized by the system. Other than that, it could be several items. You may have to take the instrument cluster apart again and check all connections like bucketheadisgod2 suggested. (Where in the hell did you come up with this name, grin). Unfortunately the system cannot be diagnosed by anyone other than the dealer (protective measure). Quote Link to comment Share on other sites More sharing options...
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