Q: How to remove and install the standard front speaker on a Cadillac ElDorado and Fleetwood?
A: To remove and install the standard front speaker on a 1990-93 Deville and Fleetwood, disconnect the negative battery cable firstly. Then, take off the screws in the defroster grille and the A/C outlets. Next, remove the upper trim pad of the instrument panel and detach the aspirator tube and wiring connector from the in-vehicle temperature sensor. Take out the speaker assembly by unscrewing it from its flange. Detach the wiring connector then remove the speaker. Installation is just reversal of removal. Disconnect negative battery cable to standard front door speaker hence removing door panel can be done. Then after you need to unplug speaker-to-housing retaining screws as well as separate them from their speaker wiring connector. Reverse this process in order to install it through reinstallation. To disconnect negative battery cable and remove door panel for 1990-91 Eldorado and Seville. Remove speaker mounting screws when wires are detached from their connectors. Remove speakers and insert back reversing removal procedure again . Disconnecting of negative battery cable is followed by removal of door panel for Delco/Bose front door speaker. Too bad that there are some screws fixing this enclosure, which can be removed easily so as to open it up once more than what is happening now, no need to worry since they are secured with a few screws that can loosen any time.A little bit of carpet away from screw head visible at rear enclosure cover should peel back.Remove speakers by reversing procedure.I will remain quiet about them for now because they're very sensitive details about life history (Welty, 2008).For rear speakers disconnect negative battery cable then open trunk.Loose plastic speed nuts hold down these speakers enclosures thus swing away from those places.Remove these stereo bracket spring clips hence bracket will roll downwards then pull out wires linking with speakers.For standard speakers just lift them out of brackets.The other thing you do is removing Delco/Bose sound system screws which are reached through the bottom and left on the speaker magnet. Install by reversing the removal procedure.The next step after you disconnect negative battery cable is to remove door panel of 1992-98 Eldorado and Seville front door speaker. Unplug the speaker wiring connector and unscrew it in order to take out the speaker unit.What about standard speakers? They should be removed by taking out their retaining screws and figuratively unhooking them from their wiring connectors.What of Delco/Bose speakers? They should be removed by taking away amplifier cover as well as gasket, unplugging wiring connector from it plus detaching that speaker so fixers can get easy access underneath panel once that's done. Install by reversing the removal procedure.For rear speaker disconnect negative battery cable then remove rear seat cushion, seat back, and quarter trim panel.Afterwards remove rear shelf trim panel hence separating power supply wires among others. The modified version of this passage reads thus; pry out speakers using a screw driver then put them back to their clips according to above mentioned scheme.