I pulled the stereo out of the Cougar today to compare it to the stock stereo from the '88 GM. They are the same. Even the part numbers are the same: E6DF-14A459-C. It seems to work fine, so far. The '88 GM factory system was Premium Sound with 6 speakers. The '87 appears to be standard sound with 6 speakers. Just thought it was interesting since there was some argument about it over at Fox T-Bird/Cougar Forums.
Grand Marquis:
Cougar:
Grand Marquis:
Cougar:
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