View Single Post
  #10   IP: 24.152.132.65
Old 07-03-2016, 11:01 AM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
I load up my ignition circuit pretty heavily - without a single issue by the way - and still remain under 80% of the 10 amp fuse value.

Ignition load = 3.4 amps
Alternator excite = 0 amps (single wire self excite)
Facet fuel pump = 1.6 amps
Johnson CM30P7-1 coolant pump = 2.2 amps
EWDS = 0 amps (by design, no draw unless triggered)

Total ignition circuit load = 7.2 amps

Point being, even with considerable loads on the ignition circuit a 10 amp fuse is fine under normal conditions. That your fuse was blown indicates a circuit or device problem as mentioned by others.
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
Reply With Quote
The Following User Says Thank You to ndutton For This Useful Post:
Cityhix (07-04-2016)