14/08/2026
๐๐ก๐๐ญ ๐๐๐ฉ๐ฉ๐๐ง๐ฌ ๐ญ๐จ ๐๐จ๐ฎ๐ซ ๐๐๐ก๐ข๐๐ฅ๐'๐ฌ ๐๐ฅ๐๐๐ญ๐ซ๐จ๐ง๐ข๐๐ฌ ๐๐ก๐๐ง ๐๐ง ๐๐ฅ๐ญ๐๐ซ๐ง๐๐ญ๐จ๐ซ ๐๐ญ๐๐ซ๐ญ๐ฌ ๐
๐๐ข๐ฅ๐ข๐ง๐ โ ๐๐ญ๐๐ ๐ ๐๐ฒ ๐๐ญ๐๐ ๐
Alternator failure rarely happens suddenly โ it progresses in stages. And at each stage, your vehicle gives you clues if you know what to look for.
Stage 1. Undercharging begins.
Output drops below system needs. The battery compensates quietly. Vehicle runs normally, but charging voltage reads under 13.8V.
Stage 2. Battery drains.
Charge depletes over time. Cold starts slow down, warning light flickers. Some drivers replace the battery, but the issue returns.
Stage 3. Electronics misbehave.
Voltage irregularities cause flickering lights, radio resets, random warning lights. Even gearboxes may enter protection mode.
Stage 4. Cutโout or no start.
Battery canโt cope. The car stalls while driving or wonโt crank at all.
๐ Stages 1 & 2 = time to diagnose.
๐ Stages 3 & 4 = urgent repair.
If this sounds familiar, call HDM Auto Electrical Parts (Boksburg, Pretoria, Vanderbijlpark) before it gets to Stage 4.
Which stage have you seen catch someone out? Share in the comments!