Hero Super Splendor Wiring Connection Ideas – Step by Step Guide
Hero Super Splendor Wiring Connection Ideas – Step by Step Guide
Introduction
Modern bikes have many electrical components like indicators, headlight, horn, ignition coil, rectifier, and sensors. If wiring is understood properly, 80% problems can be solved at home.
Tools Required
Before you start, keep these basic tools ready:
- Multimeter (DC + Continuity)
- Screwdrivers & Pliers
- Wire stripper & Crimping tool
- Electrical tape / Heat-shrink
- Torch / Flashlight
- Zip ties
- Phone camera (take photos before removing any connector)
Safety First
Always follow these safety rules:
- Turn the ignition OFF before opening any wiring.
- Disconnect the battery negative (-) terminal first.
- Do not touch bare wires with wet hands.
- Do not allow metal tools to touch battery terminals.
- Follow the wiring diagram of your bike model (BS4 / BS6).
Step-by-Step Wiring Connection Ideas
STEP 1 — Locate the Main Wiring Harness
Remove the seat and side panel. Here you will see:
- Battery
- Fuse box
- Rectifier/Regulator
- Main wiring harness
- Ignition switch connector
Take a clear photo of all connectors before opening anything. This helps in re-assembling.
STEP 2 — Battery Wiring Connection
- Red wire → Battery Positive (+)
- Black wire → Battery Negative (–)
- Always connect Positive first, Negative at last.
- Check battery voltage using a multimeter: 12.4V–12.8V (engine off).
If voltage is low, the bike will show weak lights, slow indicators, and starting problems.
STEP 3 — Ignition Switch Wiring
The ignition switch sends power to the entire electrical system.
Common wires:
- Power IN → from battery/fuse
- Power OUT → to headlight, horn, indicators
- Ground wire → frame/body
If the bike does not start or dashboard lights are dead, check this connector first.
STEP 4 — Rectifier/Regulator (RR Unit) Wiring
This converts AC to DC and charges the battery.
Connections include:
- AC input from stator
- DC output to battery
- Ground connection
To check charging:
- Start engine
- Measure voltage at battery: 13.2V – 14.5V
If below 13V → charging problem
If above 15V → regulator faulty
STEP 5 — Headlight & Dimmer Wiring
Headlight has two filaments:
- Low beam
- High beam
Normally three wires go to headlight:
- Common ground
- Low beam power
- High beam power
Use continuity mode to check the bulb filaments.
If the headlight is dim, check the ground wire first.
STEP 6 — Indicator & Flasher Relay Wiring
Indicators have left and right circuits.
- Front left indicator
- Rear left indicator
- Front right indicator
- Rear right indicator
- Flasher relay in between
If indicators blink fast or very slow, check:
- Bulb condition
- Ground wire
- Flasher relay connection
STEP 7 — Horn Wiring
Horn wiring is simple:
- One wire to Horn switch
- One wire to Ground (–)
If horn is weak:
- Clean horn terminals
- Check battery voltage
- Check horn switch continuity
STEP 8 — Tail Light & Brake Light Wiring
Tail light has two wires:
- Tail light (constant)
- Brake light (activated when brake is pressed)
If brake light doesn’t work:
- Check brake switch (rear brake pedal switch)
- Check ground connection
- Check bulb
Common Wiring Problems & Solutions
1. Bike not starting
- Loose battery terminals
- Blown fuse
- Faulty ignition switch
2. Headlight not working
- Loose headlight connector
- Faulty dimmer switch
- Weak ground wire
3. Battery not charging
- Faulty RR unit
- Damaged stator wire
- Loose harness connection
4. Indicators blinking fast
- Weak battery
- Blown indicator bulb
- Faulty flasher relay
Final Checks Before Closing Panels
- Connect all connectors tightly
- Tie loose wires with zip ties
- Start engine and test:
- Headlight
- Indicators
- Horn
- Tail lamp
- Brake light
- Charging voltage
- Refit seat and side panel properlysuzuki-bike-clutch-plate-changing....
- Headlight
- Indicators
- Horn
- Tail lamp
- Brake light
- Charging voltage
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