Delta Tape Deck

The factory wiring uses an ISO plug.

This unit came player came with non-amplified, half rear amplified sound system or the full BOSE system.  You can tell which you have by removing the stock radio and checking the 8 pin speaker block. If it is fully populated, you are non-amplified. If 4 pins are populated, you are rear amplified. Factory BOSE system will have the speaker grills with a BOSE logo on them. These require the BOSE specific leads.