*NOTE: Infinitybox wire Colors & Connector Positions will vary for different kits. See the Configuration Sheet that came with your kit for exact wire colors and locations. **NOTE: MASTERCELL inputs must be ground switched. Applying 12-volts directly to an input will damage the MASTERCELL and void the warranty.. Mustang Electrical and Vacuum diagrams. 94 & 95 Mustang Electrical and Vacuum diagrams. Mustang Cylinder Head, Basic Mods, Engine Mechanical Information. Mustang EEC IV 5.0 HO Information. Note: Some of this may be A9L Specific! Mustang Automatic and Manual Transmission Information. Mustang Electrical and Vacuum diagrams. Awesome color wiring diagram, by TMoss, for the 88-91 Mustang 5.0.
![[DIAGRAM] Electric Fan Relay Wiring Diagram For 86 Trans Am](http://www.wwdsltd.com/files/1986TAHeadlights.jpg "[DIAGRAM] Electric Fan Relay Wiring Diagram For 86 Trans Am MYDIAGRAM")
![[DIAGRAM] 86 K5 Blazer Wiring Diagram Headlights](https://blazerforum.com/forum/attachments/full-size-k5-tech-42/6206d1299357104-pulse-wiper-schematic-88-k5-schematic1.jpg "[DIAGRAM] 86 K5 Blazer Wiring Diagram Headlights")
The headlight switch & turn/multifunction switch are affected by Ford's wiring problem. Sometimes it overheats so badly that the plastic shells of the wiring connectors start to melt. This will show you how to add a relay to the fog lights to relieve the overload on the headlight wiring. Here is the headlight switch wiring for an 89 GT.. What could be causing the parking and interior lights to not turn on with the headlight switch in an 87-93 Mustang 5.0?