Testing alternator resistance - Google Search. Voltage Drop Testing. Home, Automotive Repair Library, Auto Parts, Accessories, Tools & Equipment, Manuals & Books, Car BLOG, Links, Index Copyright AA1Car Does your engine crank slowly or not at all, but when you test the battery and starter both are fine?
What about an alternator that puts out its normal charging amperage but can't keep your battery fully charged? An often overlooked cause of these kinds of problems is excessive resistance in the high amperage circuit. Loose, corroded or damaged battery cables or ground straps can choke off the normal flow of current in these circuits.
Nasty looking battery terminals that are blooming with corrosion obviously need cleaning. The same goes for battery cables with ends that have been beaten or pried out of shape, or have had the ends replaced. Cranking problems can also be caused by undersized replacement battery cables. It doesn't take much of an increase in resistance to cause trouble. So how do you find these kinds of problems? A. Atlantic British - Land Rover Parts & Accessories for Range Rover, Discovery, Defender; Plus NEW! Jaguar Parts. Battery Drain on a Range Rover 4.0/4.6. Introduction Andrew Walne was one of the many owners who has experienced mysterious battery drain on his 1996 4.6HSE.
After finding the source of the problem was, as usual, the BECM being "woken up" by spurious radio transmissions, Andy cured the problem by installing a switch so he could turn off the RF receiver at will. He was kind enough to share his story with readers of Rangerovers.net so we can all benefit from his experience. Photo at right: Andy's multimeter registers over an amp of drain with the BECM awake. Problem A brand new battery was unable to turn over the engine after standing for 2 days, any longer and lights, windows etc. did not work, and occasionally there was a completely dead battery. When I used Rangey every day there was no problem. Solution To establish the BeCM activity I used a multi-meter between the battery negative terminal and the negative lead to measure current drain. Photo: Andy's multimeter registers .02 amps (20 mA) with the BECM asleep.
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Land Rover fault codes. • 1987-1989 Rovers • 1990-1995 Rovers • 1996 and newer Rovers • European Standard OBD II fault codes EFI light: 1987-1989 Range Rover 1987-89 Rovers do not have any user accessible diagnostics.
However, they are simple vehicles. The most common causes of an EFI light are: Improperly adjusted or faulty (worn out) throttle sensor Ignition misfire Melted wires to the O2 sensors Damage to the airflow meter connector Damage to the ignition coil's push on or screw on connectionsOther faults are rare. Expedition Exchange Incorporated. Land Rover Forum Elec-Tricks. "Electricity has mysterious ways".
Otto's Gospel 18.4 General Electricity Info Moss Motors have excellent pages on the tricks of electrics on english cars. For wiring accessories through electro-magnetic switches (relays), check this site. Also check links-pages. Wipers Slowing Down Symptom: Using intermittent switch on front wipers, they sometimes stop - like the job was too heavy.
Remedy: Oiling linkages solve problem. Flickering Alternator Warning Lights Symptom: "Wading" on public roads, i.e. driving in heavy rain, led to the alternator warning light to flicker. Remedy: The symptoms clear - drivebelts worn to a point where they slip. LUCAS: "The Creator of Darkness" Driving a small trip, I realized that two-or-three warning lights illuminated rather diffusely - sometimes lighting up, sometimes dark, sometimes only glowing. Trying to start the beast again after 10 minutes parking, the Lucas Gospel appear: Total Darkness. Headlights Voltage Drops. Blue Ridge Land Rover Club. Landrover wire harness and cd changer adapter, landrover ipod adapter. Welcome to Rovers North - Land Rover Series , Defender, Discovery and Range Rover Parts.
Land Rover Discovery. The Land Rover Discovery is an offroad focused mid-size luxury SUV, from the British car maker Land Rover.
There have been four generations of the vehicle, which was first introduced in 1989. The current Discovery 4 is marketed in North America as the LR4. Discovery I[edit] The Discovery was introduced into the United Kingdom in 1989. The company code-named the vehicle "Project Jay". Body and trim[edit] The Discovery was initially available only as a three-door version and the five-door became available the following year.
The designers of the original model had been forced to economise and use the "parts-bin" of the then parent-company, Rover. In 1992, the Discovery received several additions and improvements. 1994–1997 Land Rover Discovery V8i (Australia) Engine and drivetrain[edit] LRL - Land Rover Lifestyle Magazine.