Ford Scorpio 95+ Headlights J.Austin Functional Overview of the Ford Scorpio 95+ Headlights Introduction The 95+ Scorpio, utilises standard automotive headlamp technology. H1 Halogen 55W lamps are used for the Dipped Beam and Main Beam illumination. And standard filament lamps are used for the side lights. The Head lighting system contains 6 lamps, 3 per side. 1. Dipped Beam 2. Main Beam (& Headlight Flasher) 3. Side lamps/Parking Lights/Dim dip Running Lights (Pre facelift models only). Parking & Dim Dip Lights Off Side Lights P Dipped Beam & Main Beam via Main Beam Selector Changing Halogen Lamps When fitting replacement or upgraded headlamp bulbs, its important that no grease from the fingers is allowed to contaminate the glass envelope of the bulb. Grease will cause hot spots, resulting in black marks and premature failure of bulbs due to overheating. If you touch the glass envelope, use methalated spirits or IPA cleaning fluid to fully remove any grease reside. Refer to www.fordscorpio.co.uk/headlighttech.htm and www.fordscorpio.co.uk/ Headlights.htm 1 Ford Scorpio 95+ Headlights J.Austin Main & Dipped Beam Overview Ignition Switch Ignition On Side/Park Lights Not shown Pre facelift Daytime running not Shown Supply For Headlamp Flash Headlamp Selector Switch Supply for Main Beam Main Beam Switch Dipped Lights Fuse FIII 60A Dipped Beam Relay R3 Fuse F5 10A Left Dipped +12V Supply for Lights Fuse F4 10A Main Beam Relay R6 Fuse F10 10A Right Dipped Left Main Simplified overview of Scorpio Headlights (Side/Park lights not shown). 2 Fuse F11 10A Right Main Ford Scorpio 95+ Headlights J.Austin Side & Park Lights Overview Ignition Switch Ignition On Ignition Off Headlamp Selector Switch Ignition On X Parking Parking Lights Side Lights Side Fuse F2 5A Fuse F12 5A Right Side/Park Left Side/Park Side & Park Lamps 3 Ignition Off X Ford Scorpio 95+ Headlights J.Austin Pre Facelift Daytime Running Lights Ignition Switch With Ignition on and selector in P, the Day Time Running Relay coil is energised, the coil is in series with the main beam lamps. (Not enough current flows to light the Main Beam). The contact on the relay connects the Dipped Beam lamps in series, hence reducing the power of each lamp by half. Ignition on Headlamp Selector Switch Parking Lights Day Time Running Relay Coil R7 Fuse F10 10A Relay shown Energised Fuse F18 ie Daytime Running on Day Time Running Relay Contacts Fuse F11 10A Fuse F5 10A Fuse F4 10A Right Dipped Left Main Right Main Left Dipped Pre facelift (prior 04/97) Daytime Running lights 4 To GND Ford Scorpio 95+ Headlights J.Austin Wire Identifications Description Wire Left Dipped VIOLET/ORANGE Right Dipped VIOLET/WHITE Left Main VIOLET/BLACK Right Main VIOLET/ORANGE Left Side/Park ORANGE/BLUE Right Side/Park ORANGE/GREEN 5 Ford Scorpio 95+ Headlights J.Austin Faults Failure of a Lamp to Illuminate 1. Faulty Bulb, check visually or with DMM. 2. Bad connection on Multi Pin plug to Headlamp Unit, check clean and reseat. 3. Activated Fuse in relevant circuit, replace fuse, check visually for damaged wiring loom, then retry. See www.fordscorpio.co.uk/fuseboxes.htm 4. Faulty associated Relay, replace Relay. 5. Wiring Loom Open Circuit fault, investigate loom for damage and repair appropriately. 6. Fuse Box fault, see www.fordscorpio.co.uk/fusebox.htm 7. Faulty Headlamp Selector Switch or associated wiring Loom. Lamps will not Turn Off 1. Wiring Loom Short Circuit, inspect loom and repair appropriately. 2. Short in Fuse Box, see www.fordscorpio.co.uk/fusebox.htm Loom Repairs If Loom damage is found, it may be possible to make a localised repair. Remove the outer insulation Tape from the damaged area, then cut out the faulty wiring, then follow Remove 30 MM Insulation Twist Wires Tight and Solder Original Loom Wire New replacement section Fill with Vaseline, Before heating, Tubing Use Heatshrink Tubing 6 Ford Scorpio 95+ Headlights J.Austin Automatic Headlight Extender Modification +12V Supply for Lights Dipped Beam Relay Permanent Ignition +12V Live +12V Headlight Extender Modification Fuse F5 10A Left Dipped Fuse F5 10A Right Dipped Headlight extender modification (www.fordscorpio.co.uk/hlmod.htm) 7