I am laying out my fuse/relay design and I need to know the amp rating for the Main and Fuel pump relays. I am using a Geo Metro or early Honda Civic fuel pump. The EMS will only be contorling a single coil and injector.
Many thanks for any assistance.
Relay Amperage
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
Relay Amperage
1970 Honda N600 600cc Twin
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kjones6039
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Re: Relay Amperage
On average, general purpose automotive relays are rated at ~30 to 40 amps. Certainly, a 30 amp (or more) relay will work for your fuel pump and ecu.
Like this one:
http://www.summitracing.com/parts/var-93940/overview/
Ken
Like this one:
http://www.summitracing.com/parts/var-93940/overview/
Ken
1979 Corvette - 383 CID SBC w/ Holley Pro-Jection 900 CFM TBI, 4-85 lb lo-z injectors & Walbro 255 pump
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MS2 v3 w/ms2extra 3.4.0 Release
36-1, Delphi LS2/7 coils in wasted spark, driven by v2.0 logic board from JBPerformance
Spartan Lambda Sensor from 14point7