Keep power switching cleanly to your blower circuit with the Standard Ignition HVAC Blower Motor Relay / Multi-Function Relay (RY-233). This 12-volt relay uses a low-current control signal to switch the higher-current blower motor circuit, and it drops in on the 1995 Isuzu FRR, 1987-1995 Isuzu FSR, 1988-1995 Isuzu FTR, and 1988-1990 Isuzu FVR (engine: All). It is listed under both names — HVAC Blower Motor Relay and Multi-Function Relay.
- Built to Last: high-quality composite housing helps protect the relay against harsh temperatures and demanding under-hood conditions.
- Certified Quality: manufactured at TS16949- and ISO9001-certified facilities to meet high industry standards.
- Wear-resistant contacts: features brass or copper contacts where specified for extended wear resistance in high-stress applications.
- Trusted source: built by a global manufacturer of original-equipment ignition products, with quality control from componentry to finished product.
It uses a rectangular connector layout with two female connectors and four male blade terminals, and a mounting bracket is included. If a failed relay is the cause of a blower that will not run or cuts out intermittently, this replaces it. Country of origin: Japan.
Manufacturer part number: RY-233.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this relay do?
It uses a low-current control signal to switch the higher-current blower motor circuit on and off. It is a 12-volt relay for the listed Isuzu trucks.
Which vehicles does the RY-233 fit?
The 1995 Isuzu FRR, 1987-1995 Isuzu FSR, 1988-1995 Isuzu FTR, and 1988-1990 Isuzu FVR (engine: All). Check the Buyer's Guide tab to confirm your vehicle.
How many terminals and connectors does it have?
It has four male blade terminals and two rectangular female connectors, and a mounting bracket is included.
Why is it listed under two names?
The catalog classifies it as an HVAC Blower Motor Relay while the manufacturer labels it a Multi-Function Relay, so it appears under both names.
What are the signs this relay may need replacing?
A blower that will not run or cuts out intermittently can point to a relay problem. Diagnose the cause before replacing, since other parts can produce the same symptoms.
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