Replacing a thermal fuse.
If you have diagnosed a faulty heater resistor (not the
electronic kind), looking roughly similar to the one shown here, it's most
likely just the thermal fuse that has blown.
Replacing the fuse is cheap and easy.
Stage 1 - Investigate.
If your heater blower is totally dead, do check your fuses first.
For safety, disconnect the battery first and make a note of the radio code.
Locate and examine the Heater Resistor.
If you have an ohmmeter, check the thermal fuse (arrowed).
It should measure zero ohms.
Stage 2 -
Order new parts as appropriate.
Stage 3 - Repair.
Replacing the Heater Resistor Thermal Fuse.
If you haven't used cable crimps before, we would recommend you do some research and get some practice before attempting this job.
1.Cut off the old fuse, leaving as much lead length remaining as possible.
2.Use your pliers to straighten these legs.
3.Bend the legs of your new thermal fuse into a "U" shape.
4.Now crimp the new fuse onto the old legs, such that the fuse is still close to the Heater Resistor body.
Cut off the protruding legs, and the Heater Resistor is repaired and ready for re-use.
Don't forget to try and determine why the fuse failed in the first place.
Heater Resistor Pack
Solutions for your vehicle.
Click on one of the links
below for more information
on economical solutions to
Heater Resistor problems
on your vehicle.
- Audi A3/S3, Q7, TT
- Alfa Romeo 147/156/GT
- Alfa Romeo Mito
- Chrysler Dodge Jeep
- Citroën C2 C3 C5
- Citroën C3 (without auto aircon / climate control)
- Citroen C4 C5
- Citroen Jumper / Nemo
- Fiat Doblo II / Ducato
- Fiat Fiorino III / Qubo
- Fiat Punto (+ Grande & Evo)
- Honda Civic Mk VII/VIII
- Peugeot 1007 207 406 607
- Peugeot 206 / 307 (without auto aircon / climate control)
- Peugeot 207, 208, 508
- Peugeot Boxer / Bipper
- Renault Clio II
- Renault Clio III
- Renault Espace 4
- Renault Laguna 2
- Renault Megane/Scenic 2
- Renault Megane 2 (without digital aircon / climate control)
- Renault Megane 3
- Renault Scenic 2 (without digital aircon / climate control)
- Renault Thalia
- Seat Altea, Leon, Toledo
- Skoda Octavia, Superb
- Vauxhall/Opel Corsa D
- Vauxhall/Opel Zafira B
- VW Golf, Jetta, Passat
- VW Scirroco, Tiguan
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Guarantee to our customers
All our products carry a full 1 year month guarantee.
If a fault should develop at any time over the 12 month period, simply return for a free replacement or repair.
If, for any reason, you are unhappy with your purchase on receipt, simply return within 30 days for a full refund including P&P.