This study measured the use of localized module as instructional tool in interpreting technical drawings and plans of Grade 8 students at Ifugao Technical Vocational School. The conclusions of the study may serve as the standard by which educators evaluate students' electrical installation and maintenance competence and basis for administrators to implement Projects, Activities, and Programs (PAPs) that may lead to high-quality education. The mixed method, particularly sequential explanatory approach was utilized to gather and evaluate numerical data in order to spot trends or test theories and collecting narrative data to contextualize or explain the quantitative results, especially any unexpected ones. Purposive sampling was used in selecting the 46 respondents. The study found that before the use of the localized module, the competency level of the respondents in interpreting technical drawings and plans is “beginning.” However, after the use of localized modules, the competency level of the respondents improved to developing. The localized module is an effective instructional tool in interpreting technical drawings and plans. The respondents have varied perceptions and experiences during the use of the localized modules which were categorized into learning process and engagement, self-assessment and feedback, content presentation, and recommendation. Four enhancements were made to enhance the localized module that include providing of more real technical plans and drawings, inclusion of the link for the teacher made video lesson in the module, inclusion of the format on how to interpret schematic diagrams of circuits and separating the answer key from the localized module so that the students will not be tempted to browse the answer key while answering the activities on the module. The study recommended that the teachers may make more localized learning resources to improve the least mastered competencies of the learners. The localized module can be distributed to the all the students in order to help them understand the lessons on interpreting technical drawing and plans. Furthermore, the enhanced tool in this study may be adopted by other teachers in any school as well which can ease teaching and learning process.