If you '98 Seabreeze is Ford powered, then it's most likely built on a 1997 F53 chassis, since there were no '98's made. As others have said, the OBD1 connector is usually located on the left side of the engine compartment, just to the right of the accelerator, but inside the dog house.
Dutch
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate