Product Name
9038 6-Piece Relay Bypass Switch Kit – Automotive Diagnostic Tester & Fuel Pump Master Tool, Replaces 9036 / 9037
Product Description
 
The 9038 Relay Bypass Switch Kit is a professional automotive electrical diagnostic tool designed to help technicians quickly test relay-controlled circuits without repeatedly removing and reinstalling the original relay.
The bypass adapters plug directly into compatible automotive relay sockets and allow manual ON/OFF control of the circuit. This makes it easier to diagnose problems involving fuel pumps, cooling fans, headlights, horns, power windows, A/C circuits and other relay-operated electrical systems.
This 6-piece kit provides multiple relay configurations for common automotive diagnostic applications and is especially suitable for many domestic vehicles, including compatible GM and Chrysler applications.
The 9038 kit can also be used as a practical replacement or alternative for many applications previously serviced with 9036 and 9037 relay bypass tools.
Specifications
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Model: 9038
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Product Type: Automotive Relay Bypass Switch / Diagnostic Tester
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Kit Quantity: 6 Pieces
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Connector Type: Plug-In
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Control Type: Manual ON/OFF Bypass Switch
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Application: Automotive Relay Circuit Diagnosis
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Vehicle Type: Cars, Pickup Trucks, SUVs and Light Trucks
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Compatible Applications: Selected Domestic GM and Chrysler Vehicles
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Replacement Reference: 9036 / 9037
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Installation: Direct Plug-In Testing
Key Features
Professional Relay Circuit Diagnosis
The 9038 bypass switch allows technicians to manually energize compatible relay-controlled circuits, making electrical troubleshooting faster and more straightforward.
Fuel Pump Testing
Ideal for diagnosing fuel pump circuits. The tool can help determine whether the fault is related to the fuel pump, relay, wiring, fuse, control circuit or electrical connection.
6-Piece Master Kit
The complete 6-piece set includes multiple relay bypass adapters for different commonly used automotive relay socket configurations.
Direct Plug-In Design
Simply remove the original relay, select the matching bypass adapter and insert it into the relay socket. The integrated switch provides manual circuit control during testing.
Suitable for Workshop Use
Designed for automotive technicians, electricians, maintenance workshops and vehicle diagnostic applications.
Typical Applications
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Fuel Pump Relay Testing
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Cooling Fan Circuit Diagnosis
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Headlight Relay Testing
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Horn Circuit Testing
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A/C Relay Diagnosis
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Power Window Circuit Testing
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Automotive Electrical Troubleshooting
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Relay Socket Inspection
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Wiring and Component Diagnosis
How to Use
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Locate the relay circuit to be tested.
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Remove the original relay.
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Select the matching 9038 bypass adapter.
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Insert the adapter securely into the relay socket.
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Use the integrated switch to manually activate or deactivate the circuit.
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Perform the required voltage, wiring or component diagnosis.
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Remove the tester after diagnosis and reinstall the original relay.
Package Includes
1 × 9038 Relay Bypass Switch Master Kit
6 × Relay Bypass Switch / Adapter Tools
Actual adapter configuration may vary according to the ordered version.
Important Notice
Please compare the relay terminal layout, relay socket configuration and OEM application before ordering.
Compatibility with GM, Chrysler or other domestic vehicles depends on the specific relay socket and vehicle configuration.
The reference to 9036 / 9037 indicates compatible replacement applications and does not mean that every 9036 or 9037 application will automatically fit.
This product is intended for temporary diagnostic and testing use. Always follow proper automotive electrical safety procedures.
FAQ
Q1: What is the difference between the 9038 and a standard relay tester?
The 9038 is a relay bypass switch kit. Instead of only checking whether a relay works, it allows the technician to manually control the circuit directly through the relay socket during diagnosis.
Q2: Can the 9038 be used for fuel pump testing?
Yes. It is commonly used to manually activate compatible fuel pump relay circuits during troubleshooting.
Q3: Does the 9038 replace 9036 and 9037?
The 9038 can serve as an alternative for many applications associated with 9036 and 9037 relay bypass tools. The actual relay socket configuration should always be checked before use.
Q4: Is it compatible with GM and Chrysler vehicles?
It is suitable for many compatible GM and Chrysler domestic vehicle relay applications, but compatibility depends on the relay terminal pattern and socket design.
Q5: Is this kit only for fuel pumps?
No. It can also be used for compatible cooling fans, headlights, horns, A/C circuits, power windows and other relay-controlled automotive systems.
SEO Title
9038 Relay Bypass Switch Kit | 6-Piece Fuel Pump & Automotive Diagnostic Tester
Meta Description
9038 6-piece relay bypass switch kit for automotive electrical diagnosis and fuel pump testing. Replaces many 9036 and 9037 applications and fits compatible GM, Chrysler and domestic vehicle relay circuits.
SEO Keywords
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