Front headlights (low/high beam), turn signals, and rear brake/position lights. Instrumentation:
Houses the key switch, heater plug (grijač) for cold starts, and basic fuse box. shema instalacije imt 539 pdf
For a complete and detailed review of the installation, you should look for manuals on specialized technical repositories: Scribd - IMT 539 PDF Front headlights (low/high beam), turn signals, and rear
The electrical installation is relatively straightforward, consisting of several primary circuits: Starting & Charging: Front headlights (low/high beam)
The original fuse boxes are prone to corrosion. Many reviewers recommend replacing them with modern blade-type (nožasti) fuse holders for better contact reliability. Grounding (Masa):
Connections for the oil pressure light, water temperature gauge, and tachometer/hour meter. Recommended Sources for PDF Schematics