| Electric Fan System Installation Guide for Jaguar E-Type Series III V12 and Series II 4.2 (revised July 29, 2007) Each E-Type electric fan system is hand-crafted and checked for proper fitment on original Jaguar E-Type V12 and 4.2 radiators.
Please read our warranty information below, prior to installation - improper installation will void warranty.
DO NOT attempt installation of this fan system unless you are mechanically and electrically competent. If in any doubt, go to a competent auto electrician and/or mechanic, and ensure that these installation guidelines are reviewed prior to installation. As with any part on motor vehicle, mechanical failure, serious injury or worse can occur if installed incorrectly.
DO NOT lift, hold, suspend, hang or handle this fan system by the wires (wires may become disengaged) - improper handling will void warranty.
DO NOT allow foam or rubber insulators to interfere with fan operation - improper installation will void warranty.
DO NOT re-tighten nylock nuts.
DO NOT lose the dust caps for the Thermostatic Relay Kits.
DO NOT connect both fans to a single relay or wire.
DO NOT go for a drive until you have verified that both fans are operating! This fan system was tested prior to shipping.
DO NOT LEAVE, and we really mean this, DO NOT LEAVE your car unattended during warm-up after completing installation.
NEVER, NEVER, NEVER allow the engine to go past the 'N' (normal) temperature - NEVER!
Removal Instructions:
Twin Fan System
Follow instructions for installation of the Thermostatic Relay System below (if purchased).
DO NOT lose the dust caps for the Thermostatic Relay Kit.
Ensure that both fans start when the engine reaches normal operating temperature.
DO NOT go for a drive until you have verified that both fans are operating and keeping your engine at or below the 'N' (Normal) temperature!
Tip: Most mechanics that specialize in Jaguar, particularly Jaguar V12 engined-cars, will acknowledge that the otter switch activates too late to be of real benefit to your Jaguar's V12 cooling requirements.
Adjustable and non-adjustable thermostatic switch relays are available for purchase at v12s.com. Fan relays should be controlled by thermostatic switches to minimize battery drain and to avoid exceeding the duty cycle of the fans.
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| Adjustable Thermostatic Switch & Relay System Installation Guide for Jaguars (revised July 24, 2006) Please read our warranty information below, prior to installation - improper installation will void warranty.
DO NOT attempt installation of this thermostatic switch & relay system unless you are mechanically and electrically competent. If in any doubt, go to a competent auto electrician and/or mechanic.
DO NOT LEAVE, and we really mean this, DO NOT LEAVE your car unattended during warm-up after completing installation.
NEVER, NEVER, NEVER allow the engine to go past the 'N' (normal) temperature - NEVER!
Install the Thermostatic Relay System into the top radiator hose:
Please review Diagrams below and apply to your specific installation.
Adjustable Thermostatic Switch & Relay System Wiring:
The temperature control on the thermostatic switch & relay system has been set to start fans as early as possible, around 700C (typical E-Type Jaguar themostats start to open around 820C) - you can fine tune the desired start temperature of the fans later, once you have verified that the fans are operational.
Tip: Start the fans before the engine thermostat starts to open at 820C.
Then, start car and let engine idle until the engine reaches normal operating temperature, DO NOT LEAVE CAR UNATTENDED AND DO NOT ALLOW ENGINE TEMPERATURE TO EXCEED 'N' (NORMAL).
Ensure that the fans start at or before the engine reaches normal operating temperature.
DO NOT go for a drive until you have verified that the fans are operating.
The thermostatic temperature control potentiometer is under the black plastic dust cover (DO NOT lose the dust caps for the Thermostatic Relay Kits) inside the aluminum housing installed in the radiator hose. The adjuster has a single sweep of just a 3/4 turn. Turn the adjuster gently by hand (use a small screw driver if necessary) - DO NOT USE EXCESSIVE FORCE ON THE ADJUSTER. Adjust the temperature in small increments until the desired fan operation is achieved - it is better to run a little cooler than to run too hot. Temperature adjustments may not be evident immediately as it will take the engine some minutes to either warm up further or to reduce temperature - in fact it may take up to 20 minutes or longer to see results when adjusting the temperature control to a cooler setting.
Fans will continue to run after the ignition has been turned 'off' to provide engine cool-down - fans may cycle on and off for up to 20 minutes until engine coolant is below, and stays below, the temperature set on the thermostatic switches. You can wire one fan to an ignition controlled power source (see diagram) if both fans running after shut-down causes battery drain problems. We recommend a deep-cycle battery such as the Optima for best performance.
NOTE: If your voltage meter shows a drop below 12 volts while idling then your electric fans are not getting enough voltage and are running too slowly or not at all. Ensure that you follow the thermostatic relay installation instructions.
Polishing your aluminum shroud:
We use a Mothers magnesium and aluminium polishing paste (available at Advance Auto Parts, Pep Boys & Autozone etc.). The more you polish your shroud the more it will shine like chrome. Imperfections in the aluminum are normal and unavoidable by the manufacturers.
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v12s Standard Relay with Fan Switch Control |
Diagram 1 - Single Thermostatic Switch & Dual Relays |
Diagram 2 - Dual Thermostatic Switch & Dual Relays |
Diagram 3 - Single Thermostatic Switch & Single Relay (use existing auxillary fan relay for left fan) |
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Fan System Warranty Lifetime Warranty (from 1/1/2007) - We warrant our electric fan system and relay products to be free from defective material or workmanship (0 days for vehicles used in race events). Warranty applies only to electric fan system and relay products. Warranty is limited to repairing or replacing of electric fan(s), electric fan system or relay ONLY. There are no other expressed or implied warranties. Warranty is null & void on electric fan system and relay products installed incorrectly, damaged through abuse or modification, shipping damage, repairs, alteration or disassembling by unauthorized persons. We reserve the right to change specifications, design, price or discontinue electric fan system and relay products at any time without notice and without incurring any obligation. You, the purchaser, agree to assume all liabilities for any damage and/or bodily injury which may result from the use or misuse of our electric fan system or relay products, whether installed directly by you or your employee or agent or mechanic. Warranty is NOT transferable. All electric fan system and relay products returned for warranty must have shipping prepaid and include a valid Return Authorization number.
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All Rights Reserved. v12s and the v12s logo are ® trademarks NOT affiliated with Ford or Jaguar in any way Specifications, Design, Components and Prices subject to change without notice. Exclusive Proprietary Designs Photos are examples of fan systems only. |
Please follow these instructions for installation of the new Twin Fan System and the electrical circuits:
