regulated
grip heating

 

 

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February 12th 2013

 

 

 

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Electronic controlled motorbike grip heating

 

Why?  Why grip heating: Finger, hands and the joints do always face the travel wind during a motorbike ride. Warm hands keep the joints smooth and allow a better handling of the bike when you are on tour or you go fast. Thatís by the way nothing for old men or pussycats. In the meanwhile even the Fireblade riders understand that warm muscles and joints allow to control your bike much better - and - to go faster. Therefore a grip heating is not only just comfortable, but helps you to gain important seconds on the racing course.

Advantage: Better bike handling, prevents rheumatism and dries gloves after a rain section. The most famous and well known German motorbike magazin  MOTORRAD has published several interesting articles around the benefits of grip heating on motorbikes.

Disadvante: The grip heaters you can afford purchasing on the market do mostly offer only two switch positions. a) heat up (grill) and b) warm (mostly not so warm). Regulated grip heating systems like the ones from Honda and BMW do cost a fortune and are not available below 150,- Euro. Therefore many riders purchase the low cost units and mostly switch during the ride always between the two switch positions, which leads to a defect of the switch on the long run. And then - oh wonder - the switch cannot be purchased separately. You need to buy a complete set, even the grips are still ok. Thatsís exactly the moment you may move to more comfort and throw away the switch and replace it by our control unit.

The Digipal 1205 control unitThe Principle: The switch that is normally part of the grip heating set is just replaced by the electronic control. The electronic control can be used with any type of grip heating set available on the market and you can easily upgrade your installed system on your bike without any big installations. We supply this unit for installations in instrumental bords and casings. Just disconnet the two plugs from your grips, connect to the control unit, connect to power and off you go.

You donít need to be a motorbike mechanic to that job. Over the past years we have installed theses units in multiple brands like GPZ100, GPZ500, Virago, KLE500, Varadero, Honda  500S etc.

 

Installation description for grip heaters

What is required if you upgrade your motorbike with grip heaters

Grip heating set purchased e.g. from LOUIS motorbike store. All bigger motorbike accessory stores do offer in the meanwhile different types of grip heating systems. Prices are between 30,- Euro up to 80,- Euro. There are two main types available.

  • Type 1 consits of a hard plastic body, on which the heating wire is installed. Over that setup the grip rubber is molded. That type of grip heating set is in many cases very inexpensive. It does not supply the amount of heat required in many cases and the installation is based on the hard plastic case sometimes challenging.
  • Type 2 has the heat wires molded into the rubber. The best and most reliable model you can purchase on the market today is the heating set supplied from Daytona. It can be installed easily, does not move during operation and does supply a very good and constant heating power.
  • Tools and accessories required for installation:
  • electrical tape,
  • a small cutter knive,
  • different type of screwdrivers to demount the vibration damps from the handle,
  • single electrical wirel (red and black) from the supply store,
  • cable adapters to connect the red controler wire with the power supply of the bike,
  • cable adapter mount with screw eye to connect the black controler wire to the chassis ground,
  • and some cable strips to install the unit and connection vibration free.

 

First step, demount the original installed rubber grips

First you need to unscrew the vibration damper from each side of the handle. The screw are difficult to remove, since they are normally fastened with Loctite. After you have removed the screw, you can pull out the damper with a pliers. Donít attach the pliers directly to the metalof the damper to avoid scratches. Use a piece of cotton between.

Then you cut the old grips parallel to the handle with the cutter knive. Caution, donít cut too deep, especially on the right hand side, since the plastic tube of the throttle is installed here. After that you simply tear of the both rubber parts of the grips.

 

Second step, install the heating grips

The new grips do have a different inner diameter. The one with the bigger diameter fits on the throttle side of the handle. Before grip installation attach several rounds of electrical tape on the left end of the handle before you attach the grip. Add the tape from the inner to the outer side of the handle. This layer of thin tape avoids a later move of the grip during operation and isolates the grip towards the handle, since sometimes the blank heating wire shows up on the surface of the rubber mold and could cause a short circuit.

heating gripUse a cup of water with a little bit detergent in it. Mix it with two parts of water and one part of detergent. Only when your motorbike has vibration damps you need to cut out the ends of the heating grips before installtion. Do this job carefully and donít cut too deep, otherwise you cut through the heating wire. Then add a little bit of your water/detergent mixture to the handle and inside the grips.

Now you can install the new grips by turning them smoothly onto to the end of each handle side. Donít do a break during performing that task, otherwise it may happen that the grip sticks in the middle and you need to remove it with a knive.

Ensure that you position the heating grip installed on the throttle side in that way, that the connection cable is not in the way when you turn the throttle. After that, install the connection cable along the handle down to the control unit.

 

Electrical installtion, absolutely easy

Each heating grip has a connection cable with two wires. Each single wire has a connector attached. One each of each connection cable from each single grip cable is connected together in that way, that the grips are connected in parallel. Please refer to the drawing below for the exact connection details.

electrical circuit diagram For the black wire you need to choose a screw connection point at the motorbike chassis that has direct connection to the minus pole of the battery. Use elctrical cable adapters that can be crimped onto the black wird and do have a screw eye. Then screw the cable adapter onto the motorbike chassis. ENsure that you have good contact. It may be that you need to remove paint from the connection before you fasten the screw.

The red wire needs to be connected to the +12V supply of the motorbike. You may choose the connection to the horn, since this connection in most cases has a fuse that can handle 5A. The heating grips at maximum do have 36watts that pull approx. 3amps in total. So no additonal wiring from the fuse box to the controler is required. We use that type of connection since many years on many bikes without any problems. In addition the heating is cut off when you shut down the bike and remove the key.

If you would like to add additional heating devices like a heated seat, heated glowes or heated shoes, you need to install always one each of the control unit for each heated device you add, to not overload the switching transistor inside the controler unit that can carry a maximum of 60 watts.

 

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