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The Volvo Parts Specialists Since 1963 The Volvo Parts, Accessories & Performance Specialists Since 1963
The Volvo Parts, Accessories &
Performance Specialists Since 1963

Bulb Integrity Sensor

KAEHLER - 1362278 - 109490

Available to Order
Typically ships within a few days
IPD Item Number
OEM Reference
Mfr Part Number
Brand Classification
Product Group
Quality Level
Units Per Car
Cross Reference
1235270, 1235271, 1307334, 1362278, 1362281, 3802320, 83553010303

Product Description


The bulb integrity sensor found on the 200, 700, and 900 models has been known to be prone to failure, namely on the brake light circuit. The two most common failures are no brake lighting at all, or a failed bulb indicator lamp that won’t go out. Before considering integrity sensor replacement be sure to cover the basics in this system first. 1. Fuse, 2. Brake switch, 3. Taillight circuit boards, especially at the connector & 4. Bulb and socket condition.

Since the integrity sensor measures the difference in current draw from side to side the bulbs must also be the same brand and wattage. After eliminating these other possibilities the integrity sensor is a likely candidate for replacement. To diagnose the sensor itself, follow the wiring diagram in your service manual with a test light and look for power into and out of the sensor.

Potential Product Fitment Issues

Early 200/700 series came with a BLACK integrity sensor, our YELLOW sensor replaces the early black ones. Later model Volvo's had RED sensors, so be sure to double check the color of your sensor, especially during the crossover years.


Kaehler has been a leading manufacturer of electrical and electronic components for the automotive industry for over 20 years now. Today, Kaehler still continues to develop its products with the goal of incorporating the latest technological breakthroughs in the industry. The company proudly produces some of the most accurate relays and control devices for automotive applications. Whether it'd be for trucks or passenger cars, Kaehler has the manufacturing capability to supply the right electrical and electronic solutions for every type of automobile.

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