Frequently asked questions
Everything about access, payments, refunds and adding new vehicles. Still stuck? Email us — we reply within one business day.
What do I get after payment?
Lifetime online access to all wiring diagrams for the selected vehicle generation: schematics, connector pinouts, component locations, and component-to-diagram cross-references. Access never expires.
Which payment methods do you accept?
Credit and debit cards (Visa, Mastercard, American Express) via Stripe. Apple Pay and Google Pay are supported on compatible devices.
Can I get a refund?
Yes. If the diagrams do not match your vehicle, submit a refund request from the refund page with photos of the connector mismatch. Refunds are usually processed within 1–3 business days.
My car is not in the catalog. What do I do?
Send us the brand, model, and years via the request form. We add new vehicles regularly.
Do you offer technical support?
Email info@diagnostdata.com. We typically reply within one business day.
Are diagrams downloadable as PDF?
Yes — after purchase you can download a full PDF of all wiring diagrams for your vehicle from the catalog page.