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Category Filter
Porsche
Engine Electrical
Alternator / Generator
Standard Alternator / Genarator
Alternator Wiring Harness. Porsche 914 1970–76 › 021971349D
Alternator Wiring Harness. Porsche 914 1970–76 - 021971349D
021971349D/1
Vehicle Group
- Porsche 914 (1970-1976)
Information
Alternator wiring harness
This newly manufactured replacement provides the electrical connections required between the alternator, regulator circuit and associated charging-system components.
Fits
- Porsche 914 1970–76
What This Product Does
The harness carries charging-system current and electrical signals through the generator and regulator circuit. It replaces ageing original wiring where insulation, terminals or protective grommets have deteriorated through decades of heat, vibration and use.
Functions
- Connects the alternator to the associated charging circuit
- Provides the required generator and regulator wiring connections
- Protects routed cables where they pass through surrounding panels
- Helps maintain secure electrical contact within the charging system
Technical Details
- New reproduction alternator wiring harness
- Supplied with both protective grommets
- Includes the necessary electrical connectors for direct installation
- Diagram description: generator and regulator line set
- Quantity required: one per vehicle
Symptoms of Fault
- Intermittent or weak battery charging
- Battery warning light remaining illuminated
- Voltage drop across the alternator circuit
- Brittle, cracked or heat-damaged wire insulation
- Corroded terminals or damaged connector housings
- Electrical operation changing when the harness is moved
- Exposed conductors or signs of overheating near connections
Why Replacement Matters
Old alternator wiring may develop internal breaks, excessive resistance or unreliable terminal contact. Replacing a deteriorated harness can restore the intended electrical route and reduce intermittent charging faults. Battery condition, earth connections, belt tension, alternator output and regulator operation should also be checked before installation.
FAQs
- Does the harness include connectors and grommets?
Yes. It is supplied with the necessary connectors and two protective grommets. - How many harnesses are needed?
One alternator wiring harness is required per vehicle. - Can damaged wiring cause charging problems?
Yes. Corrosion, fractured conductors and increased resistance may cause intermittent or insufficient charging. - Should the alternator be tested before replacing the harness?
Charging voltage, battery condition, earth points and regulator operation should be tested so that the source of the fault is confirmed. - What should be inspected during fitting?
Check the terminals, connector seating, cable routing and grommet position, ensuring that the harness is kept away from abrasion and excessive heat.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
021971349D
021971349D
The product you are viewing cross references to these numbers
Price: £105.00
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