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Automotive RepairSourcing & Procurement4HighDIY Mechanic / Car Enthusiast$ implied

Need to find compatible sensors for old Defi gauges but cannot find technical specifications (resistance values) online or locally.

No centralized database or tool that provides sensor specifications (e.g., resistance curves) for aftermarket gauges, forcing users to reverse-engineer from similar products.

Severity

4High

Willingness to Pay

implied

Added

May 15, 2026

Workarounds Described

compares wiring to similar Greddy gauges to guess sensor type
uses online forums to search for resistance values

Implied Software Gaps

Centralized database mapping gauge models to sensor specifications (resistance, pinout) with cross-reference to commonly available parts

App Concept

GaugeSensor Database

A crowdsourced database and compatibility checker for aftermarket automotive gauges and sensors. Users can look up sensor specifications (resistance, pinout, voltage) for specific gauge models and find cross-references to easily available sensors or adapters. It saves hours of forum digging and trial-and-error wiring.

Key Features

Search by gauge brand/model to get sensor specs (NTC resistance curve, pressure sensor type, pinout)
Cross-reference to commonly available sensors (e.g., VDO, Bosch, GM)
Community-contributed data with verification system
Adapters and wiring diagram generator

Target Users: DIY car mechanics and auto enthusiasts installing aftermarket gauges, especially in older vehicles with engine swaps.

Revenue Model: Freemium – free basic lookups, $4.99 one-time fee for detailed specs and wiring diagrams

Existing Solutions Mentioned

online forumssimilar Greddy gauges as reference

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