Repair
Repair Price: $ 744.00
Purchase
CSL Part Number: 82475
Product Overview: The AH155621 (also known as REL4197D) is a multi-relay control board manufactured by John Deere for agricultural equipment. It primarily controls lighting circuits including turn signal relays and other switched outputs in combines such as the 9410 and 9510 models. The board features eleven relays, a 555-based timer circuit operating at approximately 1.24Hz for flasher functions, a 5V voltage regulator, and Darlington pair transistors for relay driving. It uses a multi-pin connector interface and is designed for harsh agricultural environments requiring robust switching control.
Category: Circuit Breaker
Manufacturer: John Deere
Manufacturer Part Number: AH155621
Also Known As(AKA): REL4197D
Common Failures
Common issues reported by customers include failures of the Darlington pair relay driver transistors, which can affect the operation of the left and right turn lamp relays.
Repair Approach
Our repair process typically includes replacement of defective relay driver transistors and capacitors as needed. Corrosion on traces is cleaned and repaired where applicable.
Testing & Quality
Each unit is tested to verify proper relay operation and overall functionality. Repairs are performed to address identified issues, and units receive a conformal coating to help protect internal components.
Service and repair your broken John Deere part
We can repair your John Deere model AH155621 in our facility. Let our skilled technicians get your John Deere back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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