You never specified that you weren't doing a standard 130amp alt upgrade . if so then I'd look for a 200 amp breaker or fuse . I originally had a 160 in my car which is why I had the 200amp fuse .IDK, that kinda doesnt sound right.....
Im installing a 160 Amp Alternator
Also makes me laugh when someone comes in asking for advice then tells me it doesn't sound right .
All good hereyall need a hug? i will hand them out.....start a line thou as theres a couple of you
yall need a hug? i will hand them out.....start a line thou as theres a couple of you
Class is in session, notebooks out and pencils readyThe circuit breaker will work OK, but it is expensive overkill. Fuses are inexpensive and easy to replace.
Always undersize rather that overside; that way the fuse or circuit breaker open circuits before the wire or other parts start to burn. Fuses and circuit breakers both have a time delay before they open circuit and shut off the current flow. Circuit breakers are typically thermal units with a long time delay, therefore oversizing the current rating poses more of an electrical hazard.
Check the temperature rating on any electrical product you buy. The wiring is rated an 105° C which is 221° F. The circuit breaker needs to be at least 105° C/221 ° F rated.
If it isn't rated for use in that temperature range it will likely cause problems in slow moving heavy traffic on hot summer days. It may open circuit shutting down the alternator, leaving you running on battery only.
Fuse holder from local NAPA dealer - Item#: BK 7821143 Price: $10.49
Product Features: Thermal Plastic Holder For AMG Type Fuse Rated From 100 To 300 amp
This has survived Florida summer heat and Georgia winter cold for many years and shows no sign of giving up. The audio quality fuse holders don't hold up well in the high temperature environment under an automobile hood. I had 2 audio grade fuse holders get hot enough that the plastic softened enough that the wires loosened up.
Yup that's why I scaled down from 200 to the 150 this time around. If my alt is pushing the full 130amps it can we know something else is going on .You want to fuse/breaker protect to the wire size. Wire ratings tend to drop as distance and temp increases. So when I doubt, fuse low. You want the fuse to be the weakest link
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