Well since the grandparents aren't usually listed in the baptism records
before 1800 I'm not sure this will help but maybe the padrinos will
offer a clue. but the marriage record should definitely (not 100% sure)
offer some help:

XBAL. DE ABALOS Pedigree
Spouse: JUSTA SEGUNDA DELGADO
08 JAN 1771 San Luis, Colotlan, Jalisco, Mexico
M604652 1752 - 1790 0443782

and related to this you might find more info on this film if an Marriage
Investigation was conducted: Información matrimonial 1758-1778 - FHL
INTL Film [ 443711 ]

===================================

ANNA JOSEFA LONGINA ABALOS DELGADO Pedigree
23 MAR 1786 San Luis, Colotlan, Jalisco, Mexico
Father: CHRISTOBAL DE ABALOS Family
Mother: JUSTA SEGUNDA DELGADO
C602864 1768 - 1790 0443674

=====================================

JOSE FLORENTINO ABALOS DELGADO Pedigree
24 OCT 1790 San Luis, Colotlan, Jalisco, Mexico
Father: XPTOVAL DE ABALOS Family
Mother: JUSTA SEGUNDA DELGADO
C602865 1790 - 1805 0443675

==================================

financialfunnow@gmail.com wrote:
> I need some help in finding the grandparents of Jose Pioquinto
Abalos, Bap. 16 May 1800 in Colotlan. His parents were Christobal
Manuel Abalos and Justa Segunda Delgado. Thanks in advance,
>
> Rita Navarro
> Bakersfield, CA
>
>